// :::::::::::::: P A R A M E T E R S ::::::::::::::

function get_param(what, url){

	if (!url) url = unescape(location.search);
	var tmp, i = url.indexOf(what)

	if (i >= 0) {

		tmp = url.substring(i+1+what.length);
		i	= tmp.indexOf("&"); 
		if (i < 0) { return tmp; } else { return tmp.substring(0, i); }
	}
}

//tmp = get_param("answer", "http://yes.com?question=age&answer=18") //tmp=18
//tmp = get_param("answer") //same as above if url of the current page is as above.