function change_bus(bus,fieldvalue) //this.checked
{
	f = document.formular;
	if (bus) {
	  bus	= bus.split(",");
		for (i=0; i<=bus.length-1; i++) {
			val = bus[i];
			f[val].checked = fieldvalue;
		}
	}
}

function showhide(thisbox) {
	if(document.getElementById) {
		var div = document.getElementById(thisbox);
		if (div.style.visibility == 'visible') {
			div.style.visibility = 'hidden';
		} else {
			div.style.visibility = 'visible';
		}

	}
}

function handleError(msg, url, ln) {
   return true;
}