if (document.images) {
	var load = "no";
	
	//main menu-site
	img1on = new Image(); img1on.src = "/pic/d0_on.gif";
	img2on = new Image(); img2on.src = "/pic/c0_on.gif";
	img3on = new Image(); img3on.src = "/pic/t0_on.gif";
	img4on = new Image(); img4on.src = "/pic/h0_on.gif"

	img1off = new Image(); img1off.src = "/pic/d0_off.gif";
	img2off = new Image(); img2off.src = "/pic/c0_off.gif";
	img3off = new Image(); img3off.src = "/pic/t0_off.gif";
	img4off = new Image(); img4off.src = "/pic/h0_off.gif";

	load = "yes";
}

function imageOff(imgName) {
	if (load == "yes") {if (document.images) {document.images[imgName].src = eval(imgName + "off.src");}}
	}
function imageOn(imgName) {
	if (load == "yes") {if (document.images) {document.images[imgName].src = eval(imgName + "on.src");}}
	}

function winopen(url,width,height){
var www = top.window.open(url,'www1', 'resizable=no,scrollbars=yes,menubar=no,height='+height+',width='+width+'');
}