function hideSubmit(btn) {
	btn.style.visibility = "hidden";
	document.getElementById('processing').style.visibility = "visible";
}

function signOut() {
	window.location.href = '/account/signout.php?t=1';
}

function checkNumberFieldKeyPress(e) {
	var key1 = (e.keyCode) ? e.keyCode : e.charCode;
	var thekey = (key1) ? key1 : e.which;
	if ((thekey >= 48) && (thekey <= 57))   // 0-9
		return true;
 	switch (thekey) {
		case 0:
		case 8:  // backspace
		case 9:  // tab
		case 37: // left arrow
		case 39: // right arrow
		//case 46: // delete
		    return true;
			break;
	}
	return false;
}

function checkAlnumFieldKeypress(e) {
	if (checkNumberFieldKeyPress(e))
		return true;
	var key1 = (e.keyCode) ? e.keyCode : e.charCode;
	var thekey = (key1) ? key1 : e.which;
	if ((thekey >= 65) && (thekey <= 90))   // A-Z
	    return true;
	if ((thekey >= 97) && (thekey <= 122))  // a-z
	    return true;
	return false;
}

function selectButton(formName,fldName,val) {
	var btn = document.forms[formName].elements[fldName];
	if (btn && (btn.length > 0)) {
	  	for (var i=0; i<btn.length; i++) {
			if (btn[i].value == val)
	            btn[i].checked = true;
			else
			    btn[i].checked = false;
		}
	}
}

function MWOnewWindow(img,w,h, s) {
	s = typeof(s) != 'undefined' ? s : 'no';
    var wobj = window.open(img,'stp','width='+w+',height='+h+',menubar=no,location=no,resizable=yes,scrollbars='+s+',status=no');
	wobj.focus();
}