//This file contains the JavaScript for menu rollovers and slideshows
//It is used by all pages to activate the navigational areas
//This detects if browser is Netscape 3+ or IE 4+.
bName=navigator.appName;
bVer=parseInt (navigator.appVersion);
if ((bName=="Netscape" && bVer >=3) ||
		(bName=="Microsoft Internet Explorer" && bVer>=4)) br="n3";
else br="n2";

//This creates image objects, and preloads all active and inactive images.
if (br=="n3"){
	img1on=new Image();
	img1on.src="images/nav/campus_on.gif";
	img2on=new Image();
	img2on.src="images/nav/alcohol_on.gif";
	img3on=new Image();
	img3on.src="images/nav/attitude_on.gif";
	img4on=new Image();
	img4on.src="images/nav/exercise_on.gif";
	img5on=new Image();
	img5on.src="images/nav/money_on.gif";
	img6on=new Image();
	img6on.src="images/nav/nutrition_on.gif";
	img7on=new Image();
	img7on.src="images/nav/relationships_on.gif";
	img8on=new Image();
	img8on.src="images/nav/relax_on.gif";
	img9on=new Image();
	img9on.src="images/nav/sleep_on.gif";
	img10on=new Image();
	img10on.src="images/nav/spirituality_on.gif";
	img11on=new Image();
	img11on.src="images/nav/time_on.gif";
	img12on=new Image();
	img12on.src="images/nav/tobacco_on.gif";
	
	img1off=new Image();
	img1off.src="images/nav/campus_off.gif";
	img2off=new Image();
	img2off.src="images/nav/alcohol_off.gif";
	img3off=new Image();
	img3off.src="images/nav/attitude_off.gif";
	img4off=new Image();
	img4off.src="images/nav/exercise_off.gif";
	img5off=new Image();
	img5off.src="images/nav/money_off.gif";
	img6off=new Image();
	img6off.src="images/nav/nutrition_off.gif";
	img7off=new Image();
	img7off.src="images/nav/relationships_off.gif";
	img8off=new Image();
	img8off.src="images/nav/relax_off.gif";
	img9off=new Image();
	img9off.src="images/nav/sleep_off.gif";
	img10off=new Image();
	img10off.src="images/nav/spirituality_off.gif";
	img11off=new Image();
	img11off.src="images/nav/time_off.gif";
	img12off=new Image();
	img12off.src="images/nav/tobacco_off.gif";	

}

//This function activates the images.
function imgAct(imgName) {
	if (br=="n3") {
			document[imgName].src=eval(imgName+"on.src");
			}
}
//This function deactivates the images.
function imgInact(imgName) {
	if (br=="n3") {
			document[imgName].src=eval(imgName+"off.src");
			}
}