function popUp(page,varname,scrl,w,h) { 
	mywindow = window.open (page,varname,"location=0,status=0,scrollbars="+ scrl +",width="+ w +",height="+ h +",resizable=0");
}

function showObj(obj) {
	document.getElementById(obj).style.display = "block";
}

function hideObj(obj) {
	document.getElementById(obj).style.display = "none";
}