var popupWindow = null;

function popup(url, features, width, height, x, y)
{
	if(popupWindow != null && !popupWindow.closed)
		popupWindow.close();
	
	popupWindow = window.open(url, "popupWindow2", features+",width="+width+",height="+height+",screenX="+x+",screenY="+y+",left="+x+",top="+y);
	
	return popupWindow;
	return false;
}

function clearText(){
	if (document.searchForm.zoom_query.defaultValue==document.searchForm.zoom_query.value)
	document.searchForm.zoom_query.value = ""
}