// JavaScript Document

function check_submit_form() {
    
	document.getElementById('theSubmit').disabled='disabled';
}

function onlyNumbers(e, f) {
	
	var keynum;
	if(window.event) // IE
	  keynum = e.keyCode;
	
	else if(e.which) // Netscape/Firefox/Opera
	  keynum = e.which;
	
	return ( (keynum > 47 && keynum < 58) || keynum == 8 || keynum == undefined || keynum == 46 || keynum == 13);
}