function newImage(arg) 
{ 
 if (document.images) 
 { 
    rslt = new Image(); 
    rslt.src = arg; 
    return rslt; 
 } 
} 

function changeImages() 
{ 
 if (document.images && (Rollover == true)) 
 { 
    for (var i=0; i < changeImages.arguments.length; i+=2) 
    { 
        document[changeImages.arguments[i]].src = changeImages.arguments[i+1]; 
    } 
 } 
} 

var Rollover = false; 

function preloadImages(){ 
 if (document.images){ 
 	 homeb     = newImage("buttons/homeb.gif");  
	 scheduleb = newImage("buttons/scheduleb.gif"); 
     dancesb   = newImage("buttons/dancesb.gif"); 
	 emailb    = newImage("buttons/emailb.gif"); 
	 faqsb     = newImage("buttons/faqsb.gif"); 
     lessonsb  = newImage("buttons/lessonsb.gif"); 
     contactb  = newImage("buttons/contactb.gif"); 
	 articlesb = newImage("buttons/articlesb.gif"); 
     linksb    = newImage("buttons/linksb.gif"); 
     directionsb = newImage("buttons/directionsb.gif"); 
	 suggestb = newImage("buttons/suggest-over.gif"); 
     Rollover = true; 
 } 
} 

// Display Pop-Ups
var win = '';
function popitup(winURL, ht, wid)
{
  win = window.open(winURL, "bsdn", "height="+ht+",width="+wid+",scrollbars,resizable,left=0,top=0,screenX=0,screenY=0");
   if (win.opener == null) win.opener = self;
   win.focus();
}