// dglib 20060115
function changeImg(id, src) {
	var obj	= document.getElementById(id);
	obj.src	= src;
}

function preloadImg() {
	var doc	= document;
	if ( !doc.pli ) {
		doc.pli	= new Array();
	}
	var i;
	var j	= doc.pli.length;
	var arg	= preloadImg.arguments;
	for (i=0; i<arg.length; i++) {
		j++;
		doc.pli[j]		= new Image;
		doc.pli[j].src	= arg[i];
	}
}

function popup(url){
	var wnd=window.open(url,'wg_popup',"toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,width=520,height=620");
//	wnd.moveTo(0,0);
	wnd.focus();
}