function validateForm() {
	errorstring = "<ul>";
	error = 0;
	if ($('#name').val() == "Name" || $('#name').val() == "") {
		errorstring = errorstring + "<li>Name</li>";
		error = 1;
	}
	if($('#company').val() == "Company" || $('#company').val() == "") {
		errorstring = errorstring + "<li>Company</li>";
		error = 1;
	} 
	if($('#email').val() == "Email" || $('#email').val() == "") {
		errorstring = errorstring + "<li>Email</li>";
		error = 1;
	} else if (echeck($('#email').val()) == false){
		errorstring = errorstring + "<li>Invalid email address</li>";
		error = 1;
	} 
	if($('#tel').val() == "Telephone Number" || $('#tel').val() == "") {
		errorstring = errorstring + "<li>Telephone</li>";
		error = 1;
	}
	if (error == 1) {
		$('.formerror').html("Please complete the following fields:" + errorstring + "</ul>");
		$('.formerror').slideDown();
		return false;
	}
}

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){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

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

 		 return true					
	}