expander2on = new Image();
expander2on.src = "kagyu/Lnav_menu/images/expander2on.gif";  
expander2 = new Image();
expander2.src = "kagyu/Lnav_menu/images/expander2.gif";
expander3on = new Image();
expander3on.src = "kagyu/Lnav_menu/images/expander3on.gif";  
expander3 = new Image();
expander3.src = "kagyu/Lnav_menu/images/expander3.gif";
expander4on = new Image();
expander4on.src = "kagyu/Lnav_menu/images/expander4on.gif";  
expander4 = new Image();
expander4.src = "kagyu/Lnav_menu/images/expander4.gif";
expander5on = new Image();
expander5on.src = "kagyu/Lnav_menu/images/expander5on.gif";  
expander5 = new Image();
expander5.src = "kagyu/Lnav_menu/images/expander5.gif";
expander6on = new Image();
expander6on.src = "kagyu/Lnav_menu/images/expander6on.gif";  
expander6 = new Image();
expander6.src = "kagyu/Lnav_menu/images/expander6.gif";
expander8on = new Image();
expander8on.src = "kagyu/Lnav_menu/images/expander8on.gif";  
expander8 = new Image();
expander8.src = "kagyu/Lnav_menu/images/expander8.gif";
expander9on = new Image();
expander9on.src = "kagyu/Lnav_menu/images/expander9on.gif";  
expander9 = new Image();
expander9.src = "kagyu/Lnav_menu/images/expander9.gif";

var ie4 = (document.all) ? 1 : 0;
var nn4 = (document.layers) ? 1 : 0;
var nn6 = (document.getElementById&&!document.all) ? 1 : 0;

function imgOn(imgName) {
  var n = imgName.charAt(8);
		if(ie4){
        		if (document.images) {
            	document.all['menu' + n].document[imgName].src = eval(imgName + "on.src");
        		}		
		}
		else if(nn4){
        			if (document.images) {
            		document.layers['menu' + n].document[imgName].src = eval(imgName + "on.src");
        			}
		}
}

function imgOff(imgName) { 
  var n = imgName.charAt(8);
		if(ie4){
		        if (document.images) {
        	    document.all['menu' + n].document[imgName].src = eval(imgName + ".src");
        		}
		
		}
		else if(nn4){
        			if (document.images) {
            		document.layers['menu' + n].document[imgName].src = eval(imgName + ".src");
        			}
		}
}

// Photo gallery
function photoOn(imgName) {  
        if (document.images) {
		    document["holder"].src = eval(imgName + ".src"); 
        }
}

function empty(imgName) {  
        if (document.images) {
            document["holder"].src = "../images/trans.gif"; 
        }
}
// End of Photo gallery

function popup(windowsource,windowname,width,height,scrollbars,directories,location,menubar,status,toolbar,resizable){
	var windowfeatures = 'width=' + width +
	',height=' + height + ',directories=' + directories +
	',location=' + location + ',menubar=' + menubar +
	',scrollbars=' + scrollbars + ',status=' + status +
	',toolbar=' + toolbar + ',resizable=' + resizable;
	window.open(windowsource, windowname, windowfeatures);
}