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 Email ID")
		   return false
		}

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

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

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

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

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

 		 return true					
	}

function ValidateFastContactForm(){

	var nameID=document.fast_contact_us_frm.name;
	var emailID=document.fast_contact_us_frm.email;

	if ((nameID.value==null)||(nameID.value=="")){
		alert("Please enter your name")
		nameID.focus()
		return false
	}
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please enter your email")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		alert("Please enter a valid email")
		emailID.focus()
		return false
	}
	
	return true
 }
 
 function ValidateContactForm(){

	var nameID=document.contact_us_frm.name;
	var emailID=document.contact_us_frm.email;

	if ((nameID.value==null)||(nameID.value=="")){
		alert("Please enter your name")
		nameID.focus()
		return false
	}
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please enter your email")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		alert("Please enter a valid email")
		emailID.focus()
		return false
	}
	
	return true
 } 
 
 function ValidateLoginForm(){

	var usernameID=document.loginForm.username;
	var passwordID=document.loginForm.password;

	if ((usernameID.value==null)||(usernameID.value=="")){
		alert("Please enter username");
		usernameID.focus();
		return false;
	}
	
	if ((passwordID.value==null)||(passwordID.value=="")){
		alert("Please enter password");
		passwordID.focus();
		return false;
	}
	
	return true;
 }