function checkWordLen(obj, wordNum){
	var wordLen = wordNum; // Maximum number of words
	document.onkeydown = checkKeycode
	function checkKeycode(e) {
		var keycode;
		if (window.event) keycode = window.event.keyCode;
		else if (e) keycode = e.which;
		if((keycode == 32) || (keycode == 13)){
			var len = obj.value.split(/[\s]+/);
			if(len.length >= wordLen){
				alert("You have reached the limit for words in your description.");
				obj.oldValue = obj.value!=obj.oldValue?obj.value:obj.oldValue;
				obj.value = obj.oldValue?obj.oldValue:"";
				return false;
			}
		return true;
		}
	}
}