function popup(url,name,propiedades) {
	var windowName = "itsmessage";
	if(name)
		windowName = name;	
	var prop = 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, width=660, height=400';
	if(propiedades) prop = propiedades+','+prop+','+propiedades;
	var v = window.open(url,windowName,prop);
}
function countAreaChars(areaName,limit)
{
if (areaName.value.length>limit)
{
	// alert(areaName.value.length);
	areaName.value.length=limit;
	areaName.value=areaName.value.substring(0,limit);
	}
}