function checkValidation()
{
	var name=document.form1.name.value
	var email=document.form1.email.value
	var comments=document.form1.comments.value
	var sec=document.form1.vercode.value
	
	if (name=='')
	{
		alert ('Please enter your name')
		document.form1.name.focus()
		return false
	}
	
	if (email=='')
	{
		alert ('Please enter your email')
		document.form1.email.focus()
		return false
	}
	
	if (comments=='')
	{
		alert ('Please enter your message')
		document.form1.comments.focus()
		return false
	}
	
	if (sec=='')
	{
		alert ('Please type the security code')
		document.form1.vercode.focus()
		return false
	}
}

// Function for email validation
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 ValidateForm()
{
	var emailID=document.form1.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
	}
	return true
 }