// JavaScript Document
function RequestQueryString (name) {
	var result = "";
	var query_str = document.location.search;
	
	if (query_str != "") {
		query_str = query_str.substr(1);	// get rid of "?"
		
		var query_array = query_str.split("&");
		for (var x = 0; x < query_array.length; x++) {
					
			if (query_array[x].indexOf (name + "=") == 0) {

				result = query_array[x].substr ((name.length + 1));
				break;
			}			
		}
	}
	
	return result;
}

function RandomNumber (Max) {	
	return Math.floor(Math.random() * Max);	
}