function ShowHide(sh,a,b){
	if(b){var blen=b.length;}
	if(document.all){var t = document.all.length;}
	else{var t = document.layers.length;}
	for (var i = 0; i < t; i++) {
		if(b){var bi=document.all[i].id.substring(0,blen);}
		//For browsers that support hidden styles -- IE
		if(a==2 && blen>0 && document.all && document.all[i].id){
			//alert('bi='+bi+' and b='+b);
			if(document.all[i].id==sh){document.all[i].style.display="block";}
			else if (b == bi){document.all[i].style.display="none";}
			}
		else if(a==2 && document.all && document.all[i].id){
			if(document.all[i].id==sh){document.all[i].style.display="block";}
			else{document.all[i].style.display="none";}
			}
		else if(a==1 && document.all && document.all[i].id==sh){document.all[i].style.display="none";}
		else if(!a && document.all && document.all[i].id==sh){document.all[i].style.display="block";}
		//for browsers that support layers like Netscape
		else if(a==2 && blen>0 && document.layers  && document.layers[i].visibility){
			var bg=/^b/;
			if(document.layers[i].id==sh){document.layers[i].visibility='show';}
			else if (b == bi){document.layers[i].visibility='hide';}
			}
		else if(a==2 && document.layers && document.layers[i].visibility){
			if(document.layers[i].id==sh){document.layers[i].visibility='show';}
			else{document.layers[i].visibility='hide';}
			}
		else if(a==1 && document.layers && document.layers[i].id==sh){document.layers[i].visibility='hide';}
		else if(!a && document.layers && document.layers[i].id==sh){document.layers[i].visibility='show';}
		}
	}
// End