var levelArray = new Array();

function expandcollapse(index, postid) { 
   var whichpost = document.getElementById(postid);
   if (levelArray.length > index) {
	   if (levelArray[index] != null) {
	   	levelArray[index].className="hiddenDIV";
	   }
   }
   if (levelArray.length >= index) levelArray[index] = whichpost;
   if (whichpost != null) {
	   if (whichpost.className=="shownDIV") { 
	      whichpost.className="hiddenDIV"; 
	   } else { 
	      whichpost.className="shownDIV"; 
	   } 
   }
} 

function PageQuery(q) {
	if(q.length > 1) this.q = q.substring(1, q.length);
	else this.q = null;
	this.keyValuePairs = new Array();
	if(q) {
		for(var i=0; i < this.q.split("&").length; i++) {
			this.keyValuePairs[i] = this.q.split("&")[i];
		}
	}
	this.getKeyValuePairs = function() { return this.keyValuePairs; }
	this.getValue = function(s) {
		for(var j=0; j < this.keyValuePairs.length; j++) {
			if(this.keyValuePairs[j].split("=")[0] == s)
			return this.keyValuePairs[j].split("=")[1];
		}
		return false;
	}
	this.getParameters = function() {
		var a = new Array(this.getLength());
		for(var j=0; j < this.keyValuePairs.length; j++) {
			a[j] = this.keyValuePairs[j].split("=")[0];
		}
		return a;
	}
	this.getLength = function() { return this.keyValuePairs.length; }
}

function queryString(key){
	var page = new PageQuery(window.location.search);
	return unescape(page.getValue(key));
}

function displayItem(key){
	document.write(queryString(key));
	document.write("<input type=\"HIDDEN\" name=\"");
	document.write(key);
	document.write("\" value=\"");
	document.write(queryString(key));
	document.write("\">");
}