//	For Contact Page Submit
function checkContact()
{
 	if(document.contact.first_name.value=="")
	{
		document.contact.first_name.focus();
		alert('Please Enter the First Name!');
		return false;
	}	
	
		if(document.contact.last_name.value=="")
	{
		document.contact.last_name.focus();
		alert('Please Enter the Last Name!');
		return false;
	}
	
	

	var emailID=document.contact.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;
	}
		if(document.contact.message.value=="")
	{
		document.contact.message.focus();
		alert('Please Enter the Comments!');
		return false;
	}
	
	if(document.contact.code.value=="")
	{
		document.contact.code.focus();
		alert('Please Enter the Code!');
		return false;
	}
}



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					
	}