// JavaScript Document

function randomStyle() {
	var styleArray = new Array();
	styleArray[1] = "blue";
	styleArray[2] = "bluegray";
	styleArray[3] = "brown";
	styleArray[4] = "brtorange";
	styleArray[5] = "green";
	styleArray[6] = "ltgreen";
	styleArray[7] = "medblue";
	styleArray[8] = "orange";
	styleArray[9] = "red";
	styleArray[10] = "redorange";
	styleArray[11] = "tan";
	styleArray[12] = "lttan";
	
	var num=Math.floor(Math.random()*styleArray.length);
	
	if (num == 0) {
		num = 1;
	}
	
	document.write('<link rel="stylesheet" type="text/css" href="http://www.wcas.northwestern.edu/stage/history/css/themes/' + styleArray[num] + '.css" />');
}

randomStyle();