window.onload=show;
function show(id) {
	var d = document.getElementById(id);
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
	}
	if (d) {d.style.display='block';}
}
function pop_help(url) {
	newwindow=window.open(url,"Help","menubar=no,width=400,height=460,toolbar=no,scrollbars=yes");
	if (window.focus) {newwindow.focus()}
	return false;
}

function tabOnEnter (field, evt) {
       var keyCode = document.layers ? evt.which : document.all ?
     evt.keyCode : evt.keyCode;
       if (keyCode != 13 && keyCode !=9)
         return true;
       else {
         var el=getNextElement(field);
         if (el.type!='hidden')
            el.focus();
         else
            while (el.type=='hidden')
               el=getNextElement(el);
            el.focus();
         return false;
       }
     }
function getNextElement (field) {
       var form = field.form;
       for (var e = 0; e < form.elements.length; e++) {
         if (field == form.elements[e])
             break;
       }
       return form.elements[++e % form.elements.length];
     }