// JavaScript Document

/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

function echeck(text) {
    var emailFilter = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/; // /^.+@.+\..{2,3,4,6}$/;
    if (!text) return true;
    if (!(emailFilter.test(text))) {
        alert("Please enter a valid email address");
        return false;
    }
    var illegalChars = /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
    if (text.match(illegalChars)) {
        alert("The email address contains illegal characters");
        return false;
    }
    return true;
}
/*
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(){

	if(document.refer_friend.your_name.value == "")
	{
		alert("Please Enter Your Name");
		document.refer_friend.your_name.focus();
		return false;
	}
	if(document.refer_friend.your_email.value == "")
	{
		alert("Please Enter Your Email");
		document.refer_friend.your_name.focus();
		return false;
	}
	if(document.refer_friend.friend_name.value == "")
	{
		alert("Please Enter Friend Name");
		document.refer_friend.friend_name.focus();
		return false;
	}
		var emailID=document.refer_friend.txtEmail;
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email");
		emailID.focus();
		return false;
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus();
		return false;
	}
	if(document.refer_friend.yourmessage.value == "")
	{
		alert("Enter your Your Message");
		document.refer_friend.yourmessage.focus();
		return false;
	}
	return true;
}