// JavaScript Document
   function echeck(str) {
				
						var at="@"
						var dot="."
						var lat=str.indexOf(at)
						var lstr=str.length
						var ldot=str.indexOf(dot)
						if (str.indexOf(at)==-1){
						   alert("Invalid E-mail ID")
						   return false
						}
				
						if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
						   alert("Invalid E-mail ID")
						   return false
						}
				
						if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
							alert("Invalid E-mail ID")
							return false
						}
				
						 if (str.indexOf(at,(lat+1))!=-1){
							alert("Invalid E-mail ID")
							return false
						 }
				
						 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
							alert("Invalid E-mail ID")
							return false
						 }
				
						 if (str.indexOf(dot,(lat+2))==-1){
							alert("Invalid E-mail ID")
							return false
						 }
						
						 if (str.indexOf(" ")!=-1){
							alert("Invalid E-mail ID")
							return false
						 }
				
						 return true					
					}
					
					function check_form_data(form){
	
	 if(form.firstname.value == "")
		{
			alert("Please fill the firstname  field!");
			form.firstname.focus();
			return false;
		}
		
		else if(form.lastname.value == "")
		{
			alert("Please fill the lastname field!");
			form.lastname.focus();
			return false;
		}
		
		  var emailID=form.email;
					 if ((emailID.value==null)||(emailID.value==""))
					{	alert("Please Enter your Email ID")
						emailID.focus()
						return false;
					}
					if (echeck(emailID.value)==false)
					{
						emailID.value=""
						//emailID.focus()
						return false;
					}
		else if(form.howdidyou.value == "0")
		{
			alert("Please select the how did you here field!");
			form.howdidyou.focus();
			return false;
		}			
					
				
		
		
	}
	
function showValue(val)
{
	if(val=='Other' || val=='Job website Posting')
	{
		document.getElementById('others').style.display="block";
	}
	else
	{
	document.getElementById('others').style.display="none";
	}	
}