function toggleLayer(whichLayer,myImg)
{
	if (document.getElementById)
	{
		// this is the way the standards work
		var layerId = document.getElementById(whichLayer);
		var style2 = layerId.style;
		style2.display = style2.display? "":"block";
				
		var img = document.getElementById(myImg);
		var style3 = img.style;
		style3.backgroundImage = style3.backgroundImage? "" : "url(/Design/Themes/PSB_Bios/img/minus.gif)";
		//style3.background = style3.background? "url(/Design/Themes/PSB_Bios/img/plus.gif) no-repeat center center":"url(/Design/Themes/PSB_Bios/img/minus.gif) no-repeat center center";
	}
	else if (document.all)
	{
		// this is the way old msie versions work
		var layerId = document.all[whichLayer];
		var style2 = layerId.style;
		style2.display = style2.display? "":"block";
		
		var img = document.all[myImg];
		var style3 = img.style;
		style3.background = style3.background? "url(/Design/Themes/PSB_Bios/img/plus.gif) no-repeat center center" : "url(/Design/Themes/PSB_Bios/img/minus.gif) no-repeat center center";
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		var layerId = document.layers[whichLayer];
		var style2 = layerId.style;
		style2.display = style2.display? "":"block";
		
		var img = document.layers[myImg];
		var style3 = img.style;
		style3.background = style3.background? "url(/Design/Themes/PSB_Bios/img/plus.gif) no-repeat center center" : "url(/Design/Themes/PSB_Bios/img/minus.gif) no-repeat center center";
	}
}