var uk; // Required in GLOBAL scope - does not overwrite any exisiting objects!
if(!uk){ uk = {}; } else if(typeof uk != "object"){ throw new Error("uk already exists and is not an object"); }
if(!uk.co){ uk.co = {}; } else if(typeof uk.co != "object"){ throw new Error("uk.co already exists and is not an object"); }
if(!uk.co.pntestbed){ uk.co.pntestbed = {}; } else if(typeof uk.co.pntestbed != "object"){ throw new Error("uk.co.pntestbed already exists and is not an object"); }
if(!uk.co.pntestbed.core){ throw new Error("uk.co.pntestbed.core does not exist"); }
var PNC = uk.co.pntestbed.core;
PNC.window.onload(function(){
	var oImageSubmit = PNC.document.getElementsByClassName('image');
	oImageSubmit.onmouseover = function(e){ this.src = './images/submit_over.gif'; }
	oImageSubmit.onmouseout = function(e){ this.src = './images/submit.gif'; }
});