// JavaScript for rollover menu


function reveal(thisRoll) {
// <!--
//	This function reveals the rollovers.
// -->


    if (document.getElementById && document.getElementById(thisRoll) != null) {
		 document.getElementById('blank').style.visibility='hidden';
         document.getElementById(thisRoll).style.visibility='visible';
         document.getElementById(thisRoll).style.display='block';
    }
    else if (document.layers) {
	  document.layers['blank'].visibility = 'hidden';
      document.layers[thisRoll].visibility = 'visible';
	}
    else if (document.all) {
	    document.all['blank'].style.visibility = 'hidden';
        document.all[thisRoll].style.zIndex = 100;
        document.all[thisRoll].style.visibility = 'visible';
    }
}

function hide(thisRoll){
// <!--
//	This function hides the rollovers.
// -->

    if (document.getElementById && document.getElementById(thisRoll) != null) {
         document.getElementById(thisRoll).style.visibility='hidden';
         document.getElementById(thisRoll).style.display='block';
     	 document.getElementById('blank').style.visibility='visible';
    }
    else if (document.layers) {
       document.layers[thisRoll].visibility = 'hidden';
	   document.layers['blank'].visibility = 'visible';
	}
    else if (document.all) {
        document.all[thisRoll].style.zIndex = 100;
        document.all[thisRoll].style.visibility = 'hidden';
		document.all['blank'].style.visibility = 'visible';
    }
}