function whitespace(alphane)
{
var numaric = alphane;
for(var j=0; j<numaric.length; j++)
{
var alphaa = numaric.charAt(j);
var hh = alphaa.charCodeAt(0);
if((hh > 47 && hh<58) || (hh > 64 && hh<91) || (hh > 96 && hh<123))
{
	alert("dddfdf");
}
else 
{
	alert("White space is not allowed.");
	return false;
}

}
return true;

}