if (navigator.appVersion.substring(0,1) >= 3) version= "3";
else version = "2"

if (version=="3") {	
		img1_cover = new Image();
		img1_cover.src = "images/_clients_types_on.gif";
		img1_coff = new Image();
		img1_coff.src = "images/_clients_types_off.gif";
		
		img2_cover = new Image();
		img2_cover.src = "images/_clients_showcase_on.gif";
		img2_coff = new Image();
		img2_coff.src = "images/_clients_showcase_off.gif";
		
		img3_cover = new Image();
		img3_cover.src = "images/_clients_comments_on.gif";
		img3_coff = new Image();
		img3_coff.src = "images/_clients_comments_off.gif";
						
	
	}

	function imgOver(imgName) {
			if (version=="3") {
				document[imgName].src = eval(imgName + "over.src");	   
			}
	}

	function imgOff(imgName) {
			if (version=="3") {
				document[imgName].src = eval(imgName + "off.src");		
			}
	}