var d=document;
var hasDOM=d.getElementById?1:0; /*this goes with konqueror also*/
var isIE=document.all?1:0
var isNS4=document.layers?1:0;

function myGetElement(id){
	var ret=null;
	if(hasDOM){
		ret= d.getElementById(id);
	}else if(isIE){
		ret = d.all.item(id);
	}else if(isNS4){
		;
	}
	return ret;
}
function myGetElementsByName(nameVar){
	var ret=null;
	if(hasDOM){
		ret=d.getElementsByName(nameVar);
	}else if(isIE){
		ret = d.all.item(nameVar);
	}
	return ret;
}
function showLayer(ids){
	myGetElement(ids).style.visibility='visible';
}
function hideLayer(idh){
	myGetElement(ids).style.visibility='hidden';
}