function checkAmount(e, regexp) {
	if(navigator.userAgent.indexOf('Gecko') != -1) {
		charCode = e.which;
	}
	else {
		charCode = e.keyCode;
	}
	if(charCode > 31) {
		znak = String.fromCharCode(charCode);
		return regexp.test(znak);
	}
}
function checkCode(e, regexp) {
	if(navigator.userAgent.indexOf('Gecko') != -1) {
		charCode = e.which;
	}
	else {
		charCode = e.keyCode;
	}
	if((charCode != 45) && (charCode > 31)) {
		znak = String.fromCharCode(charCode);
		return regexp.test(znak);
	}
}
function checkPrice(e, regexp) {
	if(navigator.userAgent.indexOf('Gecko') != -1) {
		charCode = e.which;
	}
	else {
		charCode = e.keyCode;
	}
	if((charCode != 46) && (charCode > 31)) {
		znak = String.fromCharCode(charCode);
		return regexp.test(znak);
	}
}
function checkSpace(e, regexp) {
	if(navigator.userAgent.indexOf('Gecko') != -1) {
		charCode = e.which;
	}
	else {
		charCode = e.keyCode;
	}
	if(charCode == 32) {
		znak = String.fromCharCode(charCode);
		return regexp.test(znak);
	}
}
function flip(id) {
	current=(document.getElementById(id).style.display =='none') ? 'block' : 'none';
	document.getElementById(id).style.display = current;
}
function set(rid,mode)
{
	current=(mode == 1) ? 'block' : 'none';
      document.getElementById(rid).style.display = current;
}
function check(object)
{
	if (object.value==1) 
	{
		set('fa',1);
		set('pa',0);
	}
	else 
	{
		set('fa',0);
		set('pa',1);
	}
}
function displayMaxWindow(id)
{
	var win = window.open(id,'window','toolbar=0,menubar=0,scrollbars=0,resizable=0,status=0,location=0,directories=0,top=0,left=0,width=' + screen.width + ',height=' + screen.height + '' );
	win.focus();
}