function setFocus(poElement){
	try{
		eval("document.all."+poElement+".focus();");
	}catch(e){
		//alert(e.name+" "+e.number+": "+e.message);
	}
}

function showElements(paShowElements, paHideElements){
	for(var i=0; i < paShowElements.length; i++){
		eval("document.all."+paShowElements[i]+".style.display = 'block'");
	}
	for(var i=0; i < paHideElements.length; i++){
		eval("document.all."+paHideElements[i]+".style.display = 'none'");
	}
}