//Layer transition

var fRunning = 0
function startTrans(id)
{
    if (fRunning == 0)
    {
        fRunning = 1
       	id.filters.item(0).Apply();
        //SampleID.src = "sunset.jpg";
        id.filters.item(0).Play();
    }
}
/*
</SCRIPT>
<SCRIPT for="SampleID" event="onfilterchange">
fRunning = 0
</SCRIPT>
*/


//Layer changer

var a = new Array("mainwho","mainwhat","mainwhy");

//check browser type
if (navigator.userAgent.indexOf("Opera")!=-1&& document.getElementById) type="OP";
if (document.all) type="IE"; 
if (document.layers) type="NN"; 
if (!document.all && document.getElementById) type="MO"; 

//show particular layer id=layerid   action=visbility - 'hidden' or 'visible' 
function showLayer(id){

var action;

	for(var i = 0; i < a.length; i++){

		if(id == a[i]){
			action="visible";
		} else {
			action="hidden";
		}
		
  		if (type=="IE") eval("document.all." + a[i] + ".style.visibility='" + action + "'");
  		if (type=="NN") eval("document." + a[i] + ".visibility='" + action + "'");
  		if (type=="MO" || type=="OP") 
    	eval("document.getElementById('" + a[i] + "').style.visibility='" + action + "'"); 
	}
	startTrans(info);
	
}