function newImage(arg) { 

if (document.images) { 

rslt = new Image(); 

rslt.src = arg; 

return rslt; 

} 

} 



function changeImages() { 

if (document.images && (preloadFlag == true)) { 

for (var i=0; i<changeImages.arguments.length; i+=2) { 

document[changeImages.arguments[i]].src = changeImages.arguments[i+1]; 

} 

} 

} 

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

var preloadFlag = false; 

function preloadImages() { 

if (document.images) { 

nav_about_over = newImage("../images/nav_about-over.gif"); 

nav_news_over = newImage("../images/nav_news-over.gif"); 

nav_join_over = newImage("../images/nav_join-over.gif"); 

nav_resources_over = newImage("../images/nav_resources-over.gif"); 

nav_contact_over = newImage("../images/nav_contact-over.gif"); 

preloadFlag = true; 

} 

}