function gopuzzle(){

var path=document.location.pathname;
var search=document.location.search;
var pattern = /(chap)(\d+)/;
var chapter = "";
var result = pattern.exec(path);

var pattern2 = /(CHAPTER=)(\d+)/;
var result2 = pattern2.exec(search);

if((result != null) || (result2 != null))
	{
	if(result != null)
		{

		chapter = result[2]; 
		} else
{
chapter = result2[2];
}
	if(chapter < 10) {
	chapter = "0" + chapter;
}
var url = "http://www.glencoe.com/sec/socialstudies/tutor/govciv/usgov2002/puzzles/usg2002_" + chapter + ".html";
location.href = url;
}else {
alert("Didn't Work");
}

}