function checkStudentReg()
 { 
    var error="false";
	 if(document.getElementById('email').value=="")
	  {
	    document.getElementById('email_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Enter E-mail</font>";
		error="true";
	  }
	  
	 else if(document.getElementById('email').value!="")
	  {
		re = /^(([a-z\._\-0-9])+\@([a-z\._\-0-9])+\.([a-z])+)?$/i;
		if(! re.test(document.getElementById('email').value))
		{
		  document.getElementById('email_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Enter Valid Email</font>";
		  error="true";
		}
	 }

	 else
	  {
	    document.getElementById('email_req').innerHTML="";
	  }
	  
  
	   if(document.getElementById('name_stu').value=="")
	  {
	    document.getElementById('name_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Enter Full Name</font>";
		error="true";
	  }
	  else
	  {
	    document.getElementById('name_req').innerHTML="";
	  }
	  
	
	 if(document.getElementById('dropdown').value=="")
	  {
	    document.getElementById('country_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Select Country Name</font>";
		error="true";
	  }
	  else
	  {
	    document.getElementById('country_req').innerHTML="";
	  }
	
	  if(document.getElementById('subject_stu').value=="")
	  { 
	    if(document.getElementById('other_subject').value=="")
		{
	      document.getElementById('subject_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Select Any Subject</font>";
		  error="true";
		}
		else
	    {
	      document.getElementById('subject_req').innerHTML="";
	    }
	  }
	  else
	  {
	    document.getElementById('subject_req').innerHTML="";
	  }
	  
	  
	  
	   if(document.getElementById('address_stu').value=="")
	  {
	    document.getElementById('address_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Enter The Address</font>";
		error="true";
	  }
	  else
	  {
	    document.getElementById('address_req').innerHTML="";
	  }
	  
     if(document.getElementById('city').value=="")
	  {
	   if (document.getElementById('other_city').value=="")
	    {
	     document.getElementById('city_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Select Any City</font>";
		 error="true";
	    }
	   else 
	   {
	    document.getElementById('city_req').innerHTML="";
	   }
	 }
	  else 
	  {
	    document.getElementById('city_req').innerHTML="";
	  }
	 
	  
	  if(document.getElementById('pin').value=="")
	  {
	    document.getElementById('pin_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Enter Pin</font>";
		error="true";
	  }
	  else
	  {
	    document.getElementById('pin_req').innerHTML="";
	  }
	   if(isNaN(document.getElementById('pin').value))
	  {
	    document.getElementById('pin_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Enter Correct Pin</font>";
		error="true";
	  }
	 	  
	  // if(document.getElementById('state').value=="")
//	  {
//	    document.getElementById('state_req').innerHTML="<font color='red'>Please Enter State</font>";
//		error="true";
//	  }
//	  else
//	  {
//	    document.getElementById('state_req').innerHTML="";
//	  }
	  
	  if((document.getElementById('year').value=="")||(document.getElementById('month').value=="")||(document.getElementById('day').value=="")||((document.getElementById('year').value=="")&&(document.getElementById('month').value=="")&&(document.getElementById('day').value=="")))
	  {
	    document.getElementById('age_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Enter Age</font>";
		error="true";
	  }
	 else 
	  {
		var date=new Date();
		var day=date.getDate();
		//alert(day);
		var month=date.getMonth()+1;
		var year=date.getFullYear();
		var newdate= day+"/"+month+"/"+year;
		//var SDate=document.getElementById("age").value;
		var year1=document.getElementById("year").value;
		var mon=document.getElementById("month").value;
		var day1=document.getElementById("day").value;
		//alert(year1);
		if((year1>year) && (mon>=month || mon<=month )&&(day1>=day||day1<=day) )
		{
			document.getElementById("age_req").innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Birth Day Can Not Be Greater Than Current Date</font>";
			//document.getElementById("age").value="";
			return false;
		}
 		else if((mon>month) && (year1==year)&&(day1>=day||day1<=day) )
		{
			document.getElementById("age_req").innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Birth Day Can Not Be Greater Than Current Date</font>";
			//document.getElementById("age").value="";
			return false;
		}
		else if((mon==month) && (year1==year)&&(day1>=day) )
		{
			document.getElementById("age_req").innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Birth Day Can Not Be Greater Than Current Date</font>";
			//document.getElementById("age").value="";
		return false;
		}
		var leap=year1%4;
		if((day1==29||day1==30||day1==31) && leap!=0 && mon==02 )
		{
			alert(day1+"th date is not valid in february");
			return false;
		}
		 else if((day1==30||day1==31) && leap==0 && mon==02)
		{
			alert(day1+"th date is not valid in leap year february");
			return false;
		}
		if((mon==04||mon==06||mon==09||mon==11) && day1==31)
		{
			document.getElementById("age_req").innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Date You Provided Is Not Valid</font>";
			return false;
		}
		else
		{
		document.getElementById("age_req").innerHTML="";
		}
	  }


      if(document.getElementById('mobnumber').value=="")
	  {
	    document.getElementById('mobnumber_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Enter Mobile Number</font>";
		error="true";
	  }
	  else
	  {
	    document.getElementById('mobnumber_req').innerHTML="";
	  }
	   if(isNaN(document.getElementById('mobnumber').value))
	  {
	    document.getElementById('mobnumber_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Enter Correct Mobile Number</font>";
		error="true";
	  }
	 // else
//	  {
//	    document.getElementById('mobnumber_req').innerHTML="";
//	  }
	
	   if(document.getElementById('aboutus').value=="")
	  {
	    document.getElementById('aboutus_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>How Did You Came To Know About Us</font>";
		error="true";
	  }
	  else
	  {
	    document.getElementById('aboutus_req').innerHTML="";
	  }
	   if(document.getElementById('class').value=="")
	  {
	    document.getElementById('classes_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Select Class</font>";
		error="true";
	  }
	  else
	  {
	    document.getElementById('classes_req').innerHTML="";
	  }
	  
	  ////validation for class start 
	  if((document.getElementById('year_clss_start').value=="")||(document.getElementById('month_clss_start').value=="")||(document.getElementById('day_clss_start').value=="")||((document.getElementById('year_clss_start').value=="")&&(document.getElementById('month_clss_start').value=="")&&(document.getElementById('day_clss_start').value=="")))
	  {
	    document.getElementById('start_req').innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Please Enter Start Date</font>";
		error="true";
	  }
	 else 
	  {
		var date=new Date();
		var day_start=date.getDate();
		//alert(day);
		var month_start=date.getMonth()+1;
		var year_start=date.getFullYear();
		var newdate_start= day_start+"/"+month_start+"/"+year_start;
		//var SDate=document.getElementById("age").value;
		var year1_start=document.getElementById("year_clss_start").value;
		var mon_start=document.getElementById("month_clss_start").value;
		var day1_start=document.getElementById("day_clss_start").value;
		//alert(year1);
		var leap_start=year1_start%4;
		if((day1_start==29||day1_start==30||day1_start==31) && leap_start!=0 && mon_start==02 )
		{
			alert(day1_start+"th date is not valid in february");
			return false;
		}
		 else if((day1_start==30||day1_start==31) && leap_start==0 && mon_start==02)
		{
			alert(day1_start+"th date is not valid in leap year february");
			return false;
		}
		if((mon_start==04||mon_start==06||mon_start==09||mon_start==11) && day1_start==31)
		{
			document.getElementById("start_req").innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>Date You Provided Is Not Valid</font>";
			return false;
		}
		
		if(mon_start==month_start && day1_start<day_start)
		{
			document.getElementById("start_req").innerHTML="<img src='images/red-arrow.gif' alt='' width='16' height='14' /><font color='red'>You Can Not Select Date Less Than Today</font>";
			return false;
		}
		
	  }
	 
	
	  if(error=="true")
	  {
	    return false;
	  } 
	  else
	  {
	   return true;
	  }
 }