// JScript File
function onlynumbers()
{
 if (event.keyCode < 45 || event.keyCode > 57) event.returnValue = false;
 
}
function onlycharacters()
{
if (event.keyCode < 65 || event.keyCode > 90 && event.keyCode < 97 || event.keyCode > 122)
		event.returnValue = false;
}
function Alphanumeric()
{
    if (event.keyCode < 45 || event.keyCode > 57 && event.keyCode < 65 || event.keyCode > 90 && event.keyCode < 97 || event.keyCode > 122)event.returnValue = false;
}
function Space()
{
	    if (event.keyCode == 32 )event.returnValue = true;
}

function charactersAndSpace()
{
	if ( !( (event.keyCode >= 65 && event.keyCode <= 90) || (event.keyCode >= 97 && event.keyCode <= 122)  || event.keyCode == 32) )
		event.returnValue = false;
}