function new_window(url,win_width,win_height)
{
	var link;
	link =	window.open( url,"","toolbar=0, location=0, directories=0, status=0, menubar=0, scrollbars=0, resizable=0, width=win_width, height=win_height, left=100, top=100" );
}

function preloadImage(fileName)
{
	var image = new Image();
	image.src = fileName;
}

function preload( picRoot )
{
	v=parseInt(navigator.appVersion.substring(0,1));

	preloadImage("pic/icon_mail~.gif");
	preloadImage("pic/icon_home~.gif");

	if (v>3) for (i=0;i<=15;i++) preloadImage(picRoot+"/item" + i + "~.gif");
}

function display(imgName, status)
{
	if (document.images) 
	document.images[imgName].src = "pics/" + imgName + status;
}

function displayRoot(imgName, status)
{
	if (document.images) 
	document.images[imgName].src = "../pic/" + imgName + status;
}

function displayTextGif(imgName, gifName)
{
	if (document.images) 
	document.images[imgName].src = "pic/" + gifName + ".gif";
}

function displayText(idLayer,onLayer)
{
	if (document.all)
	{
		document.all[idLayer].style.left = document.body.clientWidth/2 - 335;
		if (onLayer) document.all[idLayer].style.visibility = "visible";
		else document.all[idLayer].style.visibility = "hidden";
	}
	else {
		document.layers[idLayer].left = window.innerWidth/2 - 325;
		if (onLayer) document.layers[idLayer].visibility = "visible";
		else document.layers[idLayer].visibility = "hidden";
	}
}