function WindowOnload(f) {
  var prev=window.onload;
  window.onload=function(){ if(prev)prev(); f(); };
}
function SetDocumentSecurityDomain(sDomain) {
  if(sDomain.length > 0) {
    try {
      document.domain = sDomain;
    } catch(e) {
      if((e.number & 0xFFFF) == 87) {
        alert('Invalid document security domain: "' + sDomain + '"');
      }
    }
  }
}

// Switch out the background images on the front page.  pretty cool
var pic1, pic2, pic3, pic4;
pic1= new Image(265, 371); 
pic1.src="/images/home_group_on.jpg";
pic2= new Image(265, 371); 
pic2.src="/images/home_group.jpg";
pic3= new Image(265, 371); 
pic3.src="/images/home_indiv_on.jpg";
pic4= new Image(265, 371); 
pic4.src="/images/home_indiv.jpg";

function homeHighlight(elementToHighlight, booleanSwitch)
{
    elementToHighlight.style.backgroundImage = "url(/images/home_" + elementToHighlight.id + booleanSwitch + ".jpg)";
}