/*      Sean Loving     */
function hide(x) {
	if(document.getElementById(x))
	{
		document.getElementById(x).style.display='none';
	}
}
function show(x) {
	if(document.getElementById(x))
	{
		document.getElementById(x).style.display='';
	}
}
function zapval(x,y) {
	if(document.getElementById(x))
	{
		document.getElementById(x).value=y;
	}
}
function zapval2(x,y) {
	if(document.getElementById(x))
	{
		if( document.getElementById(x).value.length != 5)
		{
			document.getElementById(x).value=y;
		}
		else
		{
			// length is correctly 5... but are the characters numbers only?
			for( i=0; i<document.getElementById(x).value.length; i++ )
			{
				Char = document.getElementById(x).value.charAt(i);
				if( "1234567890".indexOf(Char) == -1 )
				{
					document.getElementById(x).value=y;
					return;
				}
			}
		}
	}
}