// JavaScript Document

function check_fields() 

{
if (document.form1.name.value =="")
{
alert("Please Enter Your Name");
document.form1.name.focus();
return (false);
}
if (document.form1.phone.value =="")
{
alert("Please Enter Your Phone Number");
document.form1.phone.focus();
return (false);
}
if (document.form1.email.value =="")
{
alert("Please Enter Your E-Mail Address");
document.form1.email.focus();
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					
	}


	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
	
if (document.form1.comments.value =="")
{
alert("Please Enter Your Comments");
document.form1.comments.focus();
return(false);
}


document.form1.submit ();
return(true);
return(false);
}