function popup(url, name, width, height) {
	var settings = "toolbar=no,location=no,directories=no," +
		   "status=no,menubar=no,scrollbars=no," +
		   "resizable=yes,width="+width+",height="+height;
	window.open(url, name, settings);
	
}
function popup2(url, name, width, height) {
	var settings = "toolbar=no,location=no,directories=no," +
		   "status=no,menubar=no,scrollbars=yes," +
		   "resizable=yes,width="+width+",height="+height;
	window.open(url, name, settings);
}		



	if (document.images) {
		img01on=new Image();
		img01on.src="graphics/nav_products_on.gif";
		img01off=new Image();
		img01off.src="graphics/nav_products_off.gif";
	
		img02on=new Image();
		img02on.src="graphics/nav_advantages_on.gif";
		img02off=new Image();
		img02off.src="graphics/nav_advantages_off.gif";
		
		img03on=new Image();
		img03on.src="graphics/nav_references_on.gif";
		img03off=new Image();
		img03off.src="graphics/nav_references_off.gif";
		
		img04on=new Image();
		img04on.src="graphics/nav_qa_on.gif";
		img04off=new Image();
		img04off.src="graphics/nav_qa_off.gif";
		
		img05on=new Image();
		img05on.src="graphics/nav_aboutus_on.gif";
		img05off=new Image();
		img05off.src="graphics/nav_aboutus_off.gif";
		
		img06on=new Image();
		img06on.src="graphics/nav_contactus_on.gif";
		img06off=new Image();
		img06off.src="graphics/nav_contactus_off.gif";
		
		img07on=new Image();
		img07on.src="graphics/nav_sitemap_on.gif";
		img07off=new Image();
		img07off.src="graphics/nav_sitemap_off.gif";
		
		img08on=new Image();
		img08on.src="graphics/nav_home_on.gif";
		img08off=new Image();
		img08off.src="graphics/nav_home_off.gif";
		

	}

function imgon(imgName) {
	if (document.images) {
		document[imgName].src=eval (imgName + "on.src");
	}
}

function imgoff(imgName) {
	if (document.images) {
		document[imgName].src=eval (imgName +"off.src");
	}
}