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")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail")
		    return false
		 }

 		 return true					
	}

function ValidateForm(){
	var emailID=document.contact.email
	
	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
	}
	return true
 }
	
	// CREATE VALIDATION OBJECT //

	var mmHideMenuTimer = null;

	function hideNavigation(){
		document.getElementById("Navigation").style.display = 'none';
		document.getElementById("subNavigation").style.display = 'block';
	}
	function hideSubNavigation(){
		document.getElementById("Navigation").style.display = 'block';
		document.getElementById("subNavigation").style.display = 'none';
	}				
	function menuStartTimeout(hideTimeout) {
		mmHideMenuTimer = setTimeout("hideSubNavigation()", hideTimeout);	
	}
	function menuResetTimeout() {
		if (mmHideMenuTimer) clearTimeout(mmHideMenuTimer);
			mmHideMenuTimer = null;
	}
	function formSubmit(){				
		
		//submit to email		
		//document.contact.action = "email_process.php"		
		//document.contact.method = "post";	
		document.contact.Customer.value = document.contact.realname.value;
		if (formValidate() == true){
			document.contact.submit();				
		}else{
			return false;
		}
	}
	
	
	function fieldEnter(obj){		
		if (obj.value == obj.defaultValue) {
			obj.value = "";
		}	
	}
	function fieldExit(obj){		
		if (obj.value == "") {
			obj.value = obj.defaultValue;
		}	
	}