blue_part = new Image();
blue_part.src = "/images/td_b_part_on.gif";

blue_teach = new Image();
blue_teach.src = "/images/td_b_teach_on.gif";

blue_stud = new Image();
blue_stud.src = "/images/td_b_stud_on.gif";

blue_prog = new Image();
blue_prog.src = "/images/td_b_prog_on.gif";

blue_register = new Image();
blue_register.src = "/images/td_b_register_on.gif";


function rollOver(first, second) {
	document[first].src=second;
}
function rollOut(first, second) {
	document[first].src=second;
}
function MM_openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}

function openWin(file,winName,wide,high,scroll){
		window.open(file, winName,"screenX=0,screenY=0,top=0,left=0,height="+high+",width="+wide+",fullscreen=0,location=0,menubar=0,resizable=0,scrollbars="+scroll+ ",status=0,toolbar=0");
	
}

function pickImage(theImage){

	imgSrc = new Array();
	myImage = new Array();

	for(var i=0; i<6; i++){
		imgSrc[i] = new Image();
		imgSrc[i].src = '/images/testmon_'+ i +'.gif'
		myImage[i] = imgSrc[i].src;
	}

	document[theImage].src= myImage[Math.floor(Math.random()*5)];

}

function openWinTrain(audio){

		window.open("http://www.testden.com/trainer_audio/audio_loader.htm?url=" + escape(audio), "theAudio","screenX=0,screenY=0,top=0,left=0,height=150,width=400,fullscreen=0,location=0,menubar=0,resizable=0,scrollbars=0,status=0,toolbar=0");
	
}