document.onload=function(){window.focus();};
var fl=true;
function f(obj){
	if(fl){
      obj.value="";fl=false;
	}
}
function RTrim(s) {
    return s.replace(/\s+$/,"")
}

function LTrim(s) {
    return s.replace(/^\s+/,"")
}

function Trim(s) {
    return RTrim(LTrim(s))
}