function getObject(obj){

var theObj;
if(document.layers) {
	if(typeof obj=="string") return document.layers[obj];
	else return obj;
}

if(document.all){
	if(typeof obj=="string")
{
	if(document.all(obj)!=null) return document.all(obj).style;
else return null;
}
	else return obj.style;
}


if (document.getElementById)
{
	if(typeof obj=="string")
return document.getElementById(obj).style;
else return obj.style;
}
return null;
}

function show(obj){
	var theObj=getObject(obj);

	if(typeof theObj.visibility!="undefined"){
		theObj.visibility="visible";
		}
	if(typeof theObj.display!="undefined"){
		theObj.display="block";
		}
}

function hide(obj){
	var theObj=getObject(obj);

	if(typeof theObj.visibility!="undefined"){
		theObj.visibility="hidden";
	}

	if(typeof theObj.display!="undefined"){	
		theObj.display="none";
	}
}


function Change(id) {
	
	if(id=='1'){
		hide("block1");
	} else {
		show("block1");
	}

}

function Change_Zakazchik(id) {
	
	if(id=='1'){
		hide("block2");
	} else {
		show("block2");
	}

}