browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);

if (browser_name == "Netscape" && browser_version >= 3.0) { roll = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) { roll = 'true'; }
else { roll = 'false'; }


function over(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }
function out(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }


function preloadImg(file){
  image = new Image();
  image.src = file;
}

function rol_img() {	
//	preloadImg('img/menu/contact_us-on.jpg');
}

function scroll_w() { return true;
	
	if (isMSIE) {
		self.scrollTo(0);
		if (document.getElementById('merka').clientWidth < 780) {
			document.getElementById('site').style.width="780px";
		} else if (document.getElementById('merka').clientWidth<919) {
		 	document.getElementById('site').style.width="100%";
		} else {
		 	document.getElementById('site').style.width="919px";
		}
	}
}