function checkNumbers(TheNumber) 
{
	var valid = 1
	var GoodChars = "0123456789"
	var i = 0
	if (TheNumber == "") 
	{
		// Return false if number is empty
		valid = 0
	}
	
	for (i = 0; i <= TheNumber.length-1; i++) 
	{
		if (GoodChars.indexOf(TheNumber.charAt(i)) == -1) 
		{
			//alert("Please, enter number values in this field!")
			valid = 0
		} // End if statement
	} // End for loop
	return valid
}

	// POPUP WINDOWS MANAGER
var win=null;
function NewWindow(mypage,myname,w,h,pos,infocus)
{
	if(pos=="random")
	{
	myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
	}
	
	if(pos=="center")
	{
	myleft=(screen.width)?(screen.width-w)/2:100;mytop=(screen.height)?(screen.height-h)/2:100;
	}
	
	else if((pos!='center' && pos!="random") || pos==null)
	{
		myleft=0;mytop=20
	}

	settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";win=window.open(mypage,myname,settings);

	win.focus();
} // end function NewWindow().