// quita espacios en blanco de str
function Trim( str ) {
	var resultStr = "";
	resultStr = TrimLeft(str);
	resultStr = TrimRight(resultStr);
	return resultStr;
}

//esconde todo lo que aparece en el status bar
function hidestatus(){
	window.status=''
	return true
	}
	if (document.layers)
	document.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT)
	document.onmouseover=hidestatus
	document.onmouseout=hidestatus

function CheckKeys(){
	if(( event.keyCode >= 97 && event.keyCode <= 122) || (event.keyCode >=65 && event.keyCode <=90)){
		event.keyCode=0;
	}
}