function imgOn(item_id, new_class){
	document.getElementById(item_id).className=new_class;
	}

function imgOff(item_id, new_class){
	document.getElementById(item_id).className=new_class;
	}



var desktop;

function popUpGalery(desktopURL,name) {
    desktop = window.open(desktopURL, name, 'toolbar=no, location=no, top=0, left=0, status=no, menubar=no, scrollbars=no, resizable=no, width='+ (10)+',height='+ (10));
    }

function popUp(filename) {
    desktop = window.open("popupimage.php?picture="+filename, "100", 'toolbar=no, location=no, top=0, left=0, status=no, menubar=no, scrollbars=no, resizable=no, width='+ (10)+',height='+ (10));
    }