agent = navigator.userAgent
browserVer = 2
if ((agent.indexOf("a/4",6) == -1) & (agent.indexOf("a/3",6) == -1))
	browserVer = 2 
else 
	browserVer = 1
if (browserVer == 1){

	about1=new Image;
	about2=new Image;
	about1.src="imgs/about_off.gif";
	about2.src="imgs/about_on.gif";

	vises1=new Image;
	vises2=new Image;
	vises1.src="imgs/vises_off.gif";
	vises2.src="imgs/vises_on.gif";

	search1=new Image;
	search2=new Image;
	search1.src="imgs/search_off.gif";
	search2.src="imgs/search_on.gif";

	contact1=new Image;
	contact2=new Image;
	contact1.src="imgs/contact_off.gif";
	contact2.src="imgs/contact_on.gif";

	mounting1=new Image;
	mounting2=new Image;
	mounting1.src="imgs/mounting_off.gif";
	mounting2.src="imgs/mounting_on.gif";

	seaexotic1=new Image;
	seaexotic2=new Image;
	seaexotic1.src="imgs/seaexotic_off.gif";
	seaexotic2.src="imgs/seaexotic_on.gif";

	europe1=new Image;
	europe2=new Image;
	europe1.src="imgs/europe_off.gif";
	europe2.src="imgs/europe_on.gif";

	ukrrus1=new Image;
	ukrrus2=new Image;
	ukrrus1.src="imgs/ukrrus_off.gif";
	ukrrus2.src="imgs/ukrrus_on.gif"
}

function select(imgDocIDr,imgObjName){
	if (browserVer == 1){
		document.images[imgDocIDr].src = eval(imgObjName + ".src")
	}
}