var myimages = new Array();
function preload(){
	for (x=0; x<preload.arguments.length; x++){
	myimages[x] = new Image();
	myimages[x].src = "/img/"+preload.arguments[x];
}
}
preload("earth_off.jpg","lamp_off.jpg","btnon_off.gif","btnoff_off.gif","logo_off.gif","btnbg_off.gif","btnlft_off.gif","topbg1_off.gif","topbg2_off.gif");

var operation = 'off';
function sw_lamp(){
var j, i;
if(operation == 'off') {
	var onoff=/(.*)_on\.(.*)/
	var state = '_off';
	operation = 'on';
	document.images.switcher.src = "/img/btnon_off.gif";
}
else {
	var onoff=/(.*)_off\.(.*)/
	var state = '_on';
	operation = 'off';
	document.images.switcher.src = "/img/btnoff_on.gif";
}
    if (document.images) {
		document.getElementById('top').style.backgroundImage = "url('/img/topbg1"+state+".gif')";
		document.getElementById('topmenu').style.backgroundImage = "url('/img/topbg2"+state+".gif')";
		document.getElementById('topmenur').style.backgroundImage = "url('/img/btnbg"+state+".gif')";
        for (var i=0;i<document.images.length;i++){
			document.images[i].src = document.images[i].src.replace(onoff, "$1"+state+".$2");
		}
    }
}

function view_img(image) {
	var WindowProp="toolbar=0, location=0, status=0, resizable=1, menubar=0, top=20, left=20, scrollbars=1";
	window.open("/view_img.php?"+image, "Image", WindowProp);
}