// START Show Hide Layers

function showHide( objId ){
var elem, vis;
if( document.getElementById ) // this is the way the standards work
	elem = document.getElementById( objId );
else if( document.all ) // this is the way old msie versions work
	elem = document.all[objId];
else if( document.layers ) // this is the way nn4 works
	elem = document.layers[objId];
	vis = elem.style;  // if the style.display value is blank we try to figure it out here

if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
	vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
	vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}

// END Show/Hide Layers

;