function linkwindow( urlname ) {
			newwindow = window.open( urlname, 'newwin', 'scrollbars=yes,toolbar=no,location=no,width=500,height=300,resizable=yes' );
		}


	function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
			}
		}
	function changeImages() {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
				}
			}
		}
	var preloadFlag = false;
	function preloadImages() {
		if (document.images) {
			home_residential	= newImage('/images/home_residentialOver.gif');
			home_commercial		= newImage('/images/home_commercialOver.gif');
			preloadFlag = true;
			}
		}