/*For parsing url in javascript*/
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)); 
}
/*random number generator*/
function getKey(){return Math.floor(Math.random() * 9999999999);}
/*prototype for array indexOf*/
//if(!Array.indexOf){Array.prototype.indexOf = function(obj){for(var i=0; i<this.length; i++){if(this[i]==obj){return i;}}}} Modified for not found
if(!Array.indexOf){Array.prototype.indexOf = function(obj){var found=-1;for(var i=0; i<this.length; i++){if(this[i]==obj){found=i;}}return found;}}