var imageNames = new Array("history", "showcase", "catalog", "technical", "news", "contact", "specials");
var imgPath = "images/";
browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
	if (browser) {
	for (i = 0; i < imageNames.length; i++) {
	var image = imageNames[i];
		eval(image + "1Obj = new Image()");
		eval(image + "1Obj.src = imgPath + image + '_off.gif'");
		eval(image + "2Obj = new Image()");
		eval(image + "2Obj.src = imgPath + image + '_on.gif'");
	}
}

function ON(imgName) {
	if (browser) {
		eval("document." + imgName + ".src = " + imgName + "2Obj.src");
	}
}

function OFF(imgName) {
	if (browser) {
		eval("document." + imgName + ".src = " + imgName + "1Obj.src");
	}
}

var pic = new Array("i_nurex_logo_b_on");
	if (browser) {
	for (i = 0; i < pic.length; i++) {
	var image = pic[i];
		eval(image + "2Obj = new Image()");
		eval(image + "2Obj.src = imgPath + 'i_nurex_logo_b_on.gif'");
	}
	picOffImg = new Image();
      eval("picOffImg.src = imgPath + 'i_nurex_logo_b_off.gif'");
}		
		
function picON(imgName) {
	if (browser) {
		eval("document.pic.src = " + imgName + "2Obj.src");
	}
}

function picOFF(imgName) {
	if (browser) {
//		eval("document.pic.src = "  +  imgName + "1Obj.src" );			
		document.pic.src = picOffImg.src;	
	} 
}