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.getElementById('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
 }
 
function showForm(id) {
	document.getElementById(id).style.display = 'block';
}

function checkForm(name,email,phone) {
	var nameForm = document.getElementById('fullname').value;
	var emailForm = document.getElementById('email').value;
	var phoneForm = document.getElementById('phone').value;
	if(nameForm.length < 1 || emailForm.length < 1 || phoneForm.length < 1)
		alert('Please complete all required fields');
	else
		if(ValidateForm() == true)
			document.forms[0].submit();
}
 
function timedMsg() {
var t=setTimeout('hideMsg()',3000);
}

function hideMsg() {
	document.getElementById('display_msg').style.display='none';
}