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

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.feedback.name.value == "")
	{
		alert("Enter your Name");
		document.feedback.name.focus();
		return false;
	}

	
	var emailID=document.feedback.txtEmail
	
	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.feedback.subject.value == "")
	{
		alert("Enter your Subject");
		document.feedback.subject.focus();
		return false;
	}
	if(document.feedback.feedback_massg.value == "")
	{
		alert("Enter your Feedback");
		document.feedback.feedback_massg.focus();
		return false;
	}
	
	if ((document.getElementById('txtCaptcha').value == '') || (document.getElementById('txtCaptcha').value.length < 6)){ alert('Please enter the verification code'); return false;}
            
            
	return true;
}