function timesheet(){
	
	
	var week_ending1 = document.timesheet_from.week_ending1.value;
	var school_taught1 = document.timesheet_from.school_taught1.value;
	var rate_hr1 = document.timesheet_from.rate_hr1.value;
	var hours1 = document.timesheet_from.hours1.value;	
	var week_ending2 = document.timesheet_from.week_ending2.value;
	var school_taught2 = document.timesheet_from.school_taught2.value;
	var rate_hr2 = document.timesheet_from.rate_hr2.value;
	var hours2 = document.timesheet_from.hours2.value;	
	var week_ending3 = document.timesheet_from.week_ending3.value;
	var school_taught3 = document.timesheet_from.school_taught3.value;
	var rate_hr3 = document.timesheet_from.rate_hr3.value;
	var hours3 = document.timesheet_from.hours3.value;	

	
	
	if(school_taught1 == false){
		alert ("Please Enter School Taught");
		document.timesheet_from.school_taught1.focus();
		return false;
	}
	if(week_ending1 == false){
		alert ("Please Enter Week Ending");
		document.timesheet_from.week_ending1.focus();
		return false;
	}
	if(rate_hr1 == ""){
		alert ("Please Enter Rate Per Hour");
		document.timesheet_from.rate_hr1.focus();
		return false;
	}
	if(hours1 == "")	{
		alert ("Please Enter Hours");
		document.timesheet_from.hours1.focus();
		return false;
	}
	if(school_taught2 != "" ||  week_ending2 != "" || hours2 != "" || rate_hr2 != "")
		{
			
			if(school_taught2 == ""){
				alert ("Please Enter School Taught2");
				document.timesheet_from.school_taught2.focus();
				return false;
			}
			if(week_ending2 == ""){
			alert ("Please Enter Week Ending");
			document.timesheet_from.week_ending2.focus();
			return false;
			}
			if(rate_hr2 == ""){
			alert ("Please Enter Rate Per Hour");
			document.timesheet_from.rate_hr2.focus();
			return false;
			}
			if(hours2 == ""){
			alert ("Please Enter Hours");
			document.timesheet_from.hours2.focus();
			return false;
			}
		}
	if(school_taught3 != "" ||  week_ending3 != "" || hours3 != "" || rate_hr3 != "")
	{
		
		if(school_taught3 == ""){
			alert ("Please Enter School Taught3");
			document.timesheet_from.school_taught3.focus();
			return false;
		}
		if(week_ending3 == ""){
		alert ("Please Enter Week Ending");
		document.timesheet_from.week_ending3.focus();
		return false;
		}
		if(rate_hr3 == ""){
			alert ("Please Enter Rate Per Hour");
			document.timesheet_from.rate_hr3.focus();
			return false;
		}
		if(hours3 == ""){
		alert ("Please Enter Hours");
		document.timesheet_from.hours3.focus();
		return false;
		}
	}
	return true;
}
function total_calculation()
{
	var frm = document.timesheet_from;
	var rate_hr1 = frm.rate_hr1.value;
	var hours1 = frm.hours1.value;		
	var rate_hr2 = frm.rate_hr2.value;
	var hours2 = frm.hours2.value;	
	var rate_hr3 = frm.rate_hr3.value;
	var hours3 = frm.hours3.value;	
    var transportation1 =  frm.transportation1.value;	
	var transportation2 =  frm.transportation2.value;	
	var transportation3 =  frm.transportation3.value;	
	//alert(hours1) ;
    if(rate_hr1=="")
		rate_hr1 = 0;
		if(hours1=="") 
			hours1 = 0;
		if(rate_hr2=="") 
			rate_hr2 = 0;
		if(hours2=="") 
			hours2 = 0;
		if(rate_hr3=="") 
			rate_hr3 = 0;
		 if(hours3=="") 
			hours3 = 0;
		  if(transportation1=="") 
			transportation1 = 0;
		   if(transportation2=="") 
			transportation2 = 0;
			if(transportation3=="") 
			transportation3 = 0;
			
    
	
	var hour_val = 0;
	var total_val = 0;
	var single_total = 0;
	var total = 0;
	
	  for(var i=1;i<=3;i++)
	  {
		//alert(parseFloat(eval("hours"+i))) ;
  	   if(parseFloat(eval("hours"+i))>=0 && parseFloat(eval("rate_hr"+i))>=0)
  	   {
  	     hour_val = parseFloat(eval("hours"+i) * eval("rate_hr"+i));
		 single_total = hour_val;
		 total_val += single_total;
       }
       if(parseFloat(eval("transportation"+i))>=0)
       {
		   
		
          total = parseFloat(eval("transportation"+i));
		  total_val += total; 
		  single_total = hour_val + total;
		  //alert(single_total);
		 
       }
	   if(i==1 && parseFloat(eval("hours"+i))>=0 && parseFloat(eval("rate_hr"+i))>=0)
	   {
		 document.getElementById("subtotal1").innerHTML="$"+single_total.toFixed(2);
	   }
	   if(i==2 && parseFloat(eval("hours"+i))>=0 && parseFloat(eval("rate_hr"+i))>=0)
	   {
		 document.getElementById("subtotal2").innerHTML="$"+single_total.toFixed(2);
	   }
		if(i==3 && parseFloat(eval("hours"+i))>=0 && parseFloat(eval("rate_hr"+i))>=0)
	   {
		 document.getElementById("subtotal3").innerHTML="$"+single_total.toFixed(2);
	   }
    }
     //alert(total_val);
     if(total_val >= 0)
	       document.getElementById("total_text").innerHTML="$"+total_val.toFixed(2);
 
	

}
/*function total_calculation1()
{
    var frm = document.timesheet_from;
	//var rate_hr=frm.rate_hr.value;
	var hour_val = 0;
	var total_val = 0;
	var single_total = 0;
	var total = 0;
	
	  for(var i=1;i<=3;i++)
	  {
		 
  	   if(parseFloat(eval("frm.hours"+i+".value"))!="" && parseFloat(eval("frm.rate_hr"+i+".value"))!="")
  	   {
  	     hour_val = parseFloat(eval("frm.hours"+i+".value") * eval("frm.rate_hr"+i+".value"));
		 single_total = hour_val;
		 total_val += single_total;
       }
       if(parseFloat(eval("frm.transportation"+i+".value"))>= 0)
       {
		   
		
          total = parseFloat(eval("frm.transportation"+i+".value"));
		  total_val += total; 
		  single_total = hour_val + total;
		 
       }
	   if(i==1 && parseFloat(eval("frm.hours"+i+".value"))!="" && parseFloat(eval("frm.rate_hr"+i+".value"))!="")
	   {
		 document.getElementById("subtotal1").innerHTML="$"+single_total.toFixed(2);
	   }
	   if(i==2 && parseFloat(eval("frm.hours"+i+".value"))!="" && parseFloat(eval("frm.rate_hr"+i+".value"))!="")
	   {
		 document.getElementById("subtotal2").innerHTML="$"+single_total.toFixed(2);
	   }
		if(i==3 && parseFloat(eval("frm.hours"+i+".value"))!="" && parseFloat(eval("frm.rate_hr"+i+".value"))!="")
	   {
		 document.getElementById("subtotal3").innerHTML="$"+single_total.toFixed(2);
	   }
    }
     //alert(total_val);
     if(total_val >= 0)
	       document.getElementById("total_text").innerHTML="$"+total_val.toFixed(2);
 
	

}*/

function total_calculation_1(val,id){
	
	 rate_hr = eval(rate_hr);
	if(hours1 != "")
	{
		hours=document.timesheet_from.hours1.value;
	    hours = eval(hours);
		
	}
	
	if(transportation1 != "" )
	{
		
		transportation = eval(document.timesheet_from.transportation1.value);
	}
	
	if(hours2 != "" )
	{
		hours += eval(document.timesheet_from.hours2.value);
	}
   
	alert(hours+","+transportation+","+rate_hr);

	if(transportation2 != "" )
	{
		transportation = eval(document.timesheet_from.transportation2.value) + eval(transportation);
	}
	if(hours3 != "" )
	{
		hours = eval(document.timesheet_from.hours3.value) + eval(hours);
	}
	if(transportation3 != "" )
	{
		transportation = eval(document.timesheet_from.transportation3.value) + eval(transportation);
		
		
	}
	if(rate_hr == "")
	{
		rate_hr=0;
	}
	if(hours == "")
	{
		hours=0;
		
	}
	if(transportation == "")
	{
		transportation=0;
	}
	
	if(hours >=0 && rate_hr >=0 && transportation >=0)
	{
	//alert(hours);
	var total_hr =eval(hours) * eval(rate_hr);
	var total = eval(total_hr) + eval(transportation);	
	document.getElementById("total_text").innerHTML="$"+total.toFixed(2);	
		
		
	}
 	var hours1 = document.timesheet_from.hours1.value;
	var rate_hr = document.timesheet_from.rate_hr.value;
	var transportation1 = document.timesheet_from.transportation1.value;
	var hours2=document.timesheet_from.hours2.value;
	var transportation2=document.timesheet_from.transportation2.value;
	var hours3=document.timesheet_from.hours3.value;
	var transportation3=document.timesheet_from.transportation3.value;
	var total = 0;
	if(hours1 == false){
		hours =0;
	}
	if(rate_hr == false){
		rate_hr =0;
	}
	if(transportation1 == false){
		transportation2 =0;
	}
	if(hours2 == false){
		hours =0;
	}
	if(transportation2 == false){
		transportation2 =0;
	}
	if(hours3 == false){
		hours3 =0;
	}
	if(transportation3 == false){
		transportation3 =0;
	}
	if(hours1 >=0&& rate_hr >=0 && transportation1 >=0){

		var total_hr =(hours1 * rate_hr);
		var total = eval(total_hr) + eval(transportation1);
		 alert(total);
		if(total == 'NaN'){
			alert("ghi");
		}
		return false;
		
		$("#subtotal1").val(total);
		document.getElementById("total_text").innerHTML="$"+total.toFixed(2);
		$("#subtotal1").val(total);
		
	}
	if(hours2 >=0&& rate_hr >=0 && transportation2 >=0){
		
		var total_hr2 =(hours2 * rate_hr);
		var total2 = eval(total_hr2) + eval(transportation2);
		var subtotal1 = $("#subtotal1").val(subtotal1);
		var total = eval(subtotal1) + eval(total2);
		document.getElementById("subtotal2").value = total2;
	}
	
	if(hours3 >=0&& rate_hr >=0 && transportation3 >=0)	{
		var totalAmount;
		var total_hr3 =(hours3 * rate_hr);
		
		var total3 = eval(total_hr3) + eval(transportation3);
		
		document.getElementById("subtotal3").value = total3;
		var subtotal1 = $("#subtotal1").val();
		var subtotal2 = $("#subtotal2").val();
		var subtotal3 = $("#subtotal3").val();
		
		totalAmount = eval(subtotal1) + eval(subtotal2)+ eval(subtotal3);
		
		document.getElementById("total_text").innerHTML="$"+totalAmount.toFixed(2);
	}
}

function instructoredit()
{
	
	var name=document.instructor_editform.name.value;
	var address=document.instructor_editform.address.value;
	var region=document.instructor_editform.region.value;
	var email=document.instructor_editform.email.value;
	
	var phone_number=document.instructor_editform.phone_number.value;

	var upload_doc=document.instructor_editform.upload_doc.value;
	
	var upload_image=document.instructor_editform.upload_image.value;
	//var dancestyle=document.instructor_editform.dancestyle.value;
	//var dancelevel=document.instructor_editform.dancelevel.value;
	var transportation=document.instructor_editform.transportation.value;
	
	var salary=document.instructor_editform.salary.value;
	var timing=document.instructor_editform.timing.value;
	//var other_info=document.instructor_editform.other_info.value;
	var username=document.instructor_editform.username.value;
	
	var password=document.instructor_editform.password.value;
	var security_question=document.instructor_editform.security_question.value;
	var security_answer=document.instructor_editform.security_answer.value;
	var uid=document.instructor_editform.uid.value;
	
	if(name == false)
	{
		alert ("Please Enter First Name");
		document.instructor_editform.name.focus();
		return false;
	}
	if(address == false)
	{
		alert ("Please Enter address");
		document.instructor_editform.address.focus();
		return false;
	}
	if(region == false)
	{
		alert ("Please Select the region");
		//document.instructor_editform.region.focus();
		return false;
	}
	if(email == false)
	{
		alert ("Please Enter Email Id");
		document.instructor_editform.email.focus();
		return false;
	}
	else if(email != "")
		{
       /* var re = /^[a-zA-Z0-9\_.]+w*@[a-z0-9_]+\.+[a-z]{2,3}$/i;
        if(!re.test(email))
        { 
            alert("Please enter valid Email Address");
            document.instructor_editform.email.focus();
            return false;
        }*/
		var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if(!email.match(emailRegEx))
	    {
			alert("Please enter valid Email Address");
            document.instructor_editform.email.focus();
            return false;
		}
        else
		{
		
	   var return_data = 0;
	   	$.ajax({
		type: "POST",
		url:"user_ajax.php",
		async:false,
		data:{
			"type" :"checkemail_edit",
			"email" : email,
			"id" : uid
			
			
		},
    	 success: function(msg){
			{
			
    	    return_data = msg;  
			}
    	}
    	
    	});
    	 if(return_data > 0)
       	   {
    		  alert("Email-Id already exists!");
    		  document.instructor_editform.email.focus();
    		  return false;
    		}
	       
    }
		}
	if(phone_number == false)
	{
		alert ("Please Enter phone number");
		document.instructor_editform.phone_number.focus();
		return false;
	}
	/*if(upload_doc == "")
	{
	  alert("Please upload Document.");
	  
	  document.instructor_editform.upload_doc.focus();
	  return false;
	}*/
	if(upload_doc != "")
	{
         var file = upload_doc.toLowerCase();
         var flag=0;
         var file1 = file.split(".");
         count1 = file1.length;
        
        if(file1[count1-1] == "doc" || file1[count1-1] == "docx" || file1[count1-1] == "pdf" )
        {
          flag = 1;
        }
        if(flag != 1)
        {
          alert("Please upload DOC or DOCX or PDF document only.");
          document.instructor_editform.upload_doc.value = "";
          document.instructor_editform.upload_doc.focus();
          return false;
        }
    }
	/*if(upload_image == "")
	{
	  alert("Please upload Image.");
	  
	  document.instructor_editform.upload_image.focus();
	  return false;
	}*/
	if(upload_image != "")
	{
         var file = upload_image.toLowerCase();
         var flag=0;
         var file1 = file.split(".");
         count1 = file1.length;
        
        if(file1[count1-1] == "jpg")
        {
          flag = 1;
        }
        if(flag != 1)
        {
          alert("Please upload JPG.");
          document.instructor_editform.upload_image.value = "";
          document.instructor_editform.upload_image.focus();
          return false;
        }
    }
 
  var flag_dance=0;  
  var flag_level=0;  
  var dan_style = document.getElementsByName("dancestyle[]");
  var dan_level = document.getElementsByName("dancelevel[]");
		
	if(dan_style[0].value == false && dan_level[0].value == false)
	  {
		alert("Select Dance Style and Dance Level");
		return false;
	  }
	
  for(var i=0;i<dan_style.length;i++)
  {
      if(dan_style[i].value !="" && dan_level[i].value == "")
      {
         alert ("Please Select Dance Level");
    	 return false;
      }
	  if(dan_style[i].value == "" && dan_level[i].value != "")
	  {
		
			alert ("Please Select Dance Style");
    		return false;
	  }
  }

 /* var dan_style = document.getElementsByName("dancestyle[]");

  for(var i=0;i<dan_style.length;i++)
  {
      if(dan_style[i].value == false)
      {
        alert ("Please Select Dance Style");
    		return false;
      }  
  }
  
  var dan_level = document.getElementsByName("dancelevel[]");
  
  for(var i=0;i<dan_level.length;i++)
  {
      if(dan_level[i].value == false)
      {
        alert ("Please Select Dance Level");
    		return false;
      }  
  }*/
  
  var dan_style = document.getElementsByName("dancestyle[]");
  tmp = new Array(0);
 for(i=0;i<dan_style.length;i++){
  if(!contains(tmp, dan_style[i].value)){
   tmp.length+=1;
   tmp[tmp.length-1]=dan_style[i].value;
   
  }
  else
  {
    alert("Please select each dance style only ONCE");
    return false;
  }
 }
 
 /*
	if(dancestyle == false)
	{
		alert ("Please Select Dance Style");
		//document.instructor_editform.dancestyle.focus();
		return false;
	}
	if(dancelevel == false)
	{
		alert ("Please Select Dance Level");
		//document.instructor_editform.dancelevel.focus();
		return false;
	}
	*/
	if(transportation == false)
	{
		alert ("Please Select Trasportation");
		//document.instructor_editform.trasportation.focus();
		return false;
	}
	
	if(salary == false)
	{
		alert ("Please Select Salary");
		document.instructor_editform.salary.focus();
		return false;
	}
	if(timing == false)
	{
		alert ("Please Enter Availability / Timings");
		//document.instructor_editform.timing.focus();
		return false;
	}
  /*
  if(other_info == false)
	{
		alert ("Please Enter Additional Information");
		document.instructor_editform.other_info.focus();
		return false;
	}
	*/
	if(username == false)
	{
		alert ("Please Enter User Name");
		document.instructor_editform.username.focus();
		return false;
	}
	else if(username.length < 5) 
	{
		alert ("Please Enter atleast five Character for Username");
		document.instructor_editform.username.focus();
		return false;

	}
	else
	{
		
	   var return_data = 0;
	   // AJAX validation
	   	$.ajax({
		type: "POST",
		url:"user_ajax.php",
		async:false,
		data:{
			"type" :"checkusername_edit",
			"username" : username,
			"id" : uid
            
			
		},
    	 success: function(msg){
			
    	    return_data = msg;    	  
    	}
    	
    	});
    	 if(return_data > 0)
       	   {
    		  alert("User Name already exists!");
    		  document.instructor_editform.username.focus();
    		  return false;
    		}
	       
    }
	if(password == false)
	{
		alert ("Please Enter Password");
		document.instructor_editform.password.focus();
		return false;
	}
	else if(password.length < 5) 
	{
		alert ("Please Enter atleast five Character for Password");
		document.instructor_editform.password.focus();
		return false;

	}
	
	if(security_answer == false)
	{
		alert ("Please Enter Security answer");
		//document.instructor_editform.security_answer.focus();
		return false;

	}
	document.instructor_editform.type.value="add";
	document.instructor_editform.submit();

}

function request_fieldvalidate()
{
	
	var school_name=document.requestor_from.school_name.value;
	var contact_school=document.requestor_from.contact_school.value;
	var contact_studio=document.requestor_from.contact_studio.value;
	var school_address=document.requestor_from.school_address.value;
	var email=document.requestor_from.email.value;
	var school_site=document.requestor_from.school_site.value;
	var other_needs=document.requestor_from.other_needs.value;
	var duration_radio=document.requestor_from.duration;
	var rate=document.requestor_from.rate.value;
	if(school_name == false)
	{
		alert ("Please Enter School Name");
		document.requestor_from.school_name.focus();
		return false;
	}
	if(contact_school == false)
	{
		alert ("Please Enter Contact Name");
		document.requestor_from.contact_school.focus();
		return false;
	}
	if(contact_studio == false)
	{
		alert ("Please Enter Studio Contact");
		document.requestor_from.contact_studio.focus();
		return false;
	}
	if(school_address == false)
	{
		alert ("Please Enter School Address");
		document.requestor_from.school_address.focus();
		return false;
	}
	
	if(email == false)
	{
		alert ("Please Enter Email Id");
		document.requestor_from.email.focus();
		return false;
	}
	else if(email != "")
		{
			/*var re = /^[a-zA-Z0-9\_.]+w*@[a-z0-9_]+\.+[a-z]{2,3}$/i;
			if(!re.test(email))
			{ 
				alert("Please enter valid Email Address");
				document.requestor_from.email.focus();
				return false;
			}*/
			var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		   if(!email.match(emailRegEx)){
			alert("Please enter valid Email Address");
            document.requestor_from.email.focus();
            return false;

		}
		}
   /* if(school_site ==false)
	{
		//filter = /[A-Za-z0-9\.-]{3,}\.[A-Za-z]{2,3}/;
		//if(!filter.test(school_site)) 
		//{
			alert("Please Enter the URL");
			document.requestor_from.school_site.focus();
			return false;
		//}
	}*/
	if(other_needs == false)
	{
		alert ("Please Enter Needs(days/times/disciplines/level)");
		document.requestor_from.other_needs.focus();
		return false;
	}
	var  flag;
	for(i=0;i<duration_radio.length;i++)
	{   
		if(duration_radio[i].checked)
		   flag = 1;
	}
	if(!flag)
	{
		alert ("Please Select Duration");
		return false;
	}
	if(rate == false)
	{
		alert ("Please Enter Rate Range");
		document.requestor_from.rate.focus();
		return false;
	}
	/*if(other_info == false)
	{
		alert ("Please Enter Additional Information");
		//document.requestor_from.other_info.focus();
		return false;
	}*/
	//document.requestor_from.type.value="add";
	//document.requestor_from.submit();
}



function contains(a, e) {
 for(j=0;j<a.length;j++)
 {
  if(a[j]==e && a[j]!="" && e!="")
    return true;
 }
 return false;
}

function instructor_fieldvalidate()
{
 
	var name=document.instructor_form.name.value;
	var address=document.instructor_form.address.value;
	var region=document.instructor_form.region.value;
	var email=document.instructor_form.email.value;
	var phone_number=document.instructor_form.phone_number.value;

	var upload_doc=document.instructor_form.upload_doc.value;
	
	var upload_image=document.instructor_form.upload_image.value;
	//var dancestyle=document.instructor_form.instructor_dancestyle.value;
	//var dancelevel=document.instructor_form.instructor_dancelevel.value;
	var transportation=document.instructor_form.transportation.value;
	
	var salary=document.instructor_form.salary.value;
	var timing=document.instructor_form.timing.value;
	//var other_info=document.instructor_form.other_info.value;
	var username=document.instructor_form.username.value;
	var password=document.instructor_form.password.value;
	var security_question=document.instructor_form.security_question.value;
	var security_answer=document.instructor_form.security_answer.value;
	
	if(name == false)
	{
		alert ("Please Enter First Name");
		document.instructor_form.name.focus();
		return false;
	}
	if(address == false)
	{
		alert ("Please Enter address");
		document.instructor_form.address.focus();
		return false;
	}
	if(region == false)
	{
		alert ("Please Select the region");
		//document.instructor_form.region.focus();
		return false;
	}
	if(email == false)
	{
		alert ("Please Enter Email Id");
		document.instructor_form.email.focus();
		return false;
	}
	else if(email != "")
		{
        /*var re = /^[a-zA-Z0-9\_.]+w*@[a-z0-9_]+\.+[a-z]{2,3}$/i;
        if(!re.test(email))
        { 
            alert("Please enter valid Email Address");
            document.instructor_form.email.focus();
            return false;
        }*/
		var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if(!email.match(emailRegEx)){
			alert("Please enter valid Email Address");
            document.instructor_form.email.focus();
            return false;

		}
        else
		{
		
	   var return_data = 0;
	   	$.ajax({
		type: "POST",
		url:"user_ajax.php",
		async:false,
		data:{
			"type" :"checkemail",
			"email" : email
			
			
		},
    	 success: function(msg){
    	     return_data = msg;    	  
    	}
    	
    	});
    	 if(return_data > 0)
       	   {
    		  alert("Email-Id already exists!");
    		  document.instructor_form.email.focus();
    		  return false;
    		}
	       
    }
		}
	if(phone_number == false)
	{
		alert ("Please Enter phone number");
		document.instructor_form.phone_number.focus();
		return false;
	}
	/*if(upload_doc == "")
	{
	  alert("Please upload Document.");
	  
	  document.instructor_form.upload_doc.focus();
	  return false;
	}*/
	if(upload_doc != "")
	{
         var file = upload_doc.toLowerCase();
         var flag=0;
         var file1 = file.split(".");
         count1 = file1.length;
        
        if(file1[count1-1] == "doc" || file1[count1-1] == "docx" || file1[count1-1] == "pdf" )
        {
          flag = 1;
        }
        if(flag != 1)
        {
          alert("Please upload DOC or DOCX or PDF document only.");
          document.instructor_form.upload_doc.value = "";
          document.instructor_form.upload_doc.focus();
          return false;
        }
    }
	/*if(upload_image == "")
	{
	  alert("Please upload Image.");
	  
	  document.instructor_form.upload_image.focus();
	  return false;
	}*/
	if(upload_image != "")
	{
         var file = upload_image.toLowerCase();
         var flag=0;
         var file1 = file.split(".");
         count1 = file1.length;
        
        if(file1[count1-1] == "jpg")
        {
          flag = 1;
        }
        if(flag != 1)
        {
          alert("Please upload JPG.");
          document.instructor_form.upload_image.value = "";
          document.instructor_form.upload_image.focus();
          return false;
        }
    }
  var flag_dance=0;  
  var flag_level=0;  
  var dan_style = document.getElementsByName("instructor_dancestyle[]");
  var dan_level = document.getElementsByName("instructor_dancelevel[]");
		
	if(dan_style[0].value == false && dan_level[0].value == false)
	  {
		alert("Select Dance Style and Dance Level");
		return false;
	  }
	
  for(var i=0;i<dan_style.length;i++)
  {
      if(dan_style[i].value !="" && dan_level[i].value == "")
      {
         alert ("Please Select Dance Level");
    	 return false;
      }
	  if(dan_style[i].value == "" && dan_level[i].value != "")
	  {
		
			alert ("Please Select Dance Style");
    		return false;
	  }
  }
   var dan_style = document.getElementsByName("instructor_dancestyle[]");
   tmp = new Array(0);
 for(i=0;i<dan_style.length;i++){
  if(!contains(tmp, dan_style[i].value)){
   tmp.length+=1;
   tmp[tmp.length-1]=dan_style[i].value;
   
  }
  else
  {
    alert("Please select each dance style only ONCE");
    return false;
  }
 }


  
  /*
	if(dancestyle == false)
	{
		alert ("Please Select Dance Style");
		//document.instructor_form.dancestyle.focus();
		return false;
	}
	if(dancelevel == false)
	{
		alert ("Please Select Dance Level");
		//document.instructor_form.dancelevel.focus();
		return false;
	}
	*/
	if(transportation == false)
	{
		alert ("Please Select Trasportation");
		//document.instructor_form.trasportation.focus();
		return false;
	}
	if(salary == false)
	{
		alert ("Please Select Salary");
		//document.instructor_form.timing.focus();
		return false;
	}
	if(timing == false)
	{
		alert ("Please Enter Availability / Timings");
		document.instructor_form.timing.focus();
		return false;
	}
	/*
  if(other_info == false)
	{
		alert ("Please Enter Additional Information");
		document.instructor_form.other_info.focus();
		return false;
	}
	*/
	if(username == false)
	{
		alert ("Please Enter User Name");
		document.instructor_form.username.focus();
		return false;
	}
	else if(username.length < 5) 
	{
		alert ("Please Enter atleast five Character for Username");
		document.instructor_form.username.focus();
		return false;

	}
	else
	{
		
	   var return_data = 0;
	   // AJAX validation
	   	$.ajax({
		type: "POST",
		url:"user_ajax.php",
		async:false,
		data:{
			"type" :"checkusername",
			"username" : username
            
			
		},
    	 success: function(msg){
    	    return_data = msg;    	  
    	}
    	
    	});
    	 if(return_data > 0)
       	   {
    		  alert("User Name already exists!");
    		  document.instructor_form.username.focus();
    		  return false;
    		}
	       
    }
	if(password == false)
	{
		alert ("Please Enter Password");
		document.instructor_form.password.focus();
		return false;
	}
	else if(password.length < 5) 
	{
		alert ("Please Enter atleast five Character for Password");
		document.instructor_form.password.focus();
		return false;

	}
	if(security_question == false)
	{
		alert ("Please Select Security Question");
		//document.instructor_form.security_question.focus();
		return false;
	}
	if(security_answer == false)
	{
		alert ("Please Enter Security answer");
		document.instructor_form.security_answer.focus();
		return false;

	}
	document.instructor_form.type.value="add";
	document.instructor_form.submit();

}

function create(div_id,page)
{
	
	$.ajax({
		   type: "POST",
		   url: "user_management.php",
		   data:{
				type : "create",
				page : page
		   },
		   success: function(msg){
			   $("#"+div_id).html(msg);
			   $('#first_name').focus();
		   }
		 });
	
}

function edit(div_id,page,id)
{
	$.ajax({
		   type: "POST",
		   url: "user_management.php",
		   data:{
				type : "edit",
				id : id,
				page : page
		   },
		   success: function(msg){
			   $("#"+div_id).html(msg);
			   $('#first_name').focus();
		   }
		 });
}

function _delete(div_id,page)
{

	var form_obj = eval("document.form");

	var k = 0;
	var artist_list = new Array();
	var flag = 0;
	
	for(i=0;i<form_obj.elements.length;i++)
	{
		if(form_obj.elements[i].type == "checkbox" && form_obj.elements[i].checked == true)
		{
			artist_list[k++]=form_obj.elements[i].value;
			flag=1;
		}
	}
	
	if(flag == 0)
	{
		alert("Select atleast one user to delete");
		return false;
	}
	else
	{
		if((confirmation = confirm("Are you sure to delete the selected item(s)?")) == true)
		{
			document.form.type.value = "delete";
			
			document.form.submit();
		}
	}	
}
function _statusupdate(div_id,page)
{

	
	if((confirmation = confirm("Are you sure to update the item(s)?")) == true)
	{
		document.form.type.value = "statusupdate";
		
		document.form.submit();
	}
	
	
}
function total_calculation_2(val,id)
{
	//alert(val);
	
    var rate_hr=document.timesheet_from.rate_hr.value;
	if(id == "rate_hr")

		rate_hr=document.timesheet_from.rate_hr.value;
	
	if(id == "hours1")
	{
		hours=document.timesheet_from.hours1.value;
		
	}
	if(id == "transportation1" )
	{
		transportation=document.timesheet_from.transportation1.value;
		
	}
	if(id == "hours2" )
	{
		var hours_1=document.timesheet_from.hours2.value;
		hours = eval(hours_1) + eval(hours);
	}
	if(id == "transportation2" )
	{
		var transportation_1=document.timesheet_from.transportation2.value;
		transportation = eval(transportation_1) + eval(transportation);
	}
	if(id == "hours3" )
	{
		var hours_2=document.timesheet_from.hours3.value;
		hours = eval(hours_2) + eval(hours);
	}
	if(id == "transportation3" )
	{
		var transportation_2=document.timesheet_from.transportation3.value;
		transportation = eval(transportation_2) + eval(transportation);
		//alert(transportation);
		
	}
	if(rate_hr == "")
	{
		rate_hr =0;
	}
	if(hours == "")
	{
		hours =0;
		
	}
	if(transportation == "")
	{
		transportation =0;
	}
	if(hours >=0 && rate_hr >=0 && transportation >=0)
	{
	
	var total_hr =eval(hours) * eval(rate_hr);
	var total = eval(total_hr) + eval(transportation);	
	document.getElementById("total_text").innerHTML="$"+total.toFixed(2);	
		
		
	}


}