function RollOpen(targelem,callelem)
{	if(targelem=document.getElementById(targelem))
	{	targelem.style.height='100%' /*null*/;targelem.style.maxHeight='100%';
		//if(targelem.style._height) targelem.style.height=targelem.style._height='100%';
		if(callelem && callelem.style) callelem.style.display='none';
	}
};