function $(id){
	return document.getElementById(id);
}


function ShowWin(url,x,y,name,isscrollbars) {
cx=screen.width/2-(x/2);
cy=screen.height/2-(y/2);
isscrollbars=(isscrollbars=="no")?"no":"yes";
window.open(url,name,"toolbar=no,status=no,directories=no,menubar=no,resizable=no,width="+x+",height="+y+",scrollbars="+isscrollbars+",top="+cy+",left="+cx);
}

function getE(id){
	return document.getElementById(id);
}

function defined(x){
	return typeof(x) != 'undefined';
}

function addListener(element, event, func){
        if(element.attachEvent)
                element.attachEvent('on' + event, function(){ func(window.event) });
        else if(element.addEventListener)
                element.addEventListener(event, func, false);
}


function show_popup_gallery(href){
	window.open(href,"_blank","width=800,height=600,directories=0,location=0,menubar=0,resizable=0,toolbar=0,titlebar=0,scrollbars=1,status=1");	
}