function getObj(objID)
{
    if (document.getElementById) {return document.getElementById(objID);}
    else if (document.all) {return document.all[objID];}
    else if (document.layers) {return document.layers[objID];}
}

function showDiv(typename,id){
	var tel = 0;
	while (getObj(typename+tel) != null){
		getObj(typename+tel).style.display = "none";
		tel++;
	}
	getObj(typename+id).style.display = "";
}

function hideDiv(typename,id){
	getObj(typename+id).style.display = "none";
}