function popUp(URL){day=new Date;id=day.getTime();eval("page"+id+" = window.open(URL, '"+id+"', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=400,height=400,left = 100,top = 20');")}function change(a,b){identity=document.getElementById(a);identity.className=b}function invisible(a){document.getElementById(a).style.visibility="hidden"}function visible(a){document.getElementById(a).style.visibility="invisible"}function hide(a){document.getElementById(a).style.display="none"}function showInline(a){document.getElementById(a).style.display="inline"}function show(a){document.getElementById(a).style.display="block"}