function EmptySpace(me) {
	for (var i=0;i < me.value.length;i++) {
		if (me.value.charAt(i) != " ") {
			return false;
		}
	}
	alert(me.name + " field cannot be empty");
	me.focus();
	return true;
}
function IsNotNumber(me) {
	if (me.value != null) {
		if (isNaN(me.value)) {
			alert(me.name + " field must be a number");
			me.focus();
			return true;
		}
	}
	return false;	
}

function IsPosInteger(me) {
	for (var i=0;i < me.value.length;i++) {
		if ((me.value.charAt(i) < "0") || (me.value.charAt(i) > "9")) {
			alert(me.name + " field must be digit");
			me.focus();
			return false;
		}
	}
	return true
}

function IsEmail(me) {
	for (var i=0; i < me.value.length;i++) {
		if (me.value.charAt(i) == "@") {
			for (var j=i+1; j < me.value.length;j++) {
				if (me.value.charAt(j) == ".") {
					return true;
				}
			}
		}	
	}
	alert("Please Enter the Correct Email Address");
	me.focus();
	return false;
}