function DisplayShader(Top,Bottom,Height){
	var marginTop = (typeof Top=='number') ? Top : 10;
	var marginBottom = (typeof Bottom=='number') ? Bottom : 10;
	var shadeHeight = (typeof Height=='number') ? Height : 1;
	return '<div style="height:'+shadeHeight+'px;margin-top:'+marginTop+'px;margin-bottom:'+marginBottom+'px;background:#CCCCCC" class="pl_empty"><img src="/p2/p.gif" width="1" height="1"></div>'
}