///////////////////////////////////////////////////////////

_images= new Array ();

function preloadImages () {

	for (_i= 0; _i < preloadImages.arguments.length; _i++) {

		_k= true;
		for (_j= 0; _j < _images.length; _j++) {
			if (_images[_j].src == arguments[_i]) {
				_k= false;
				break;
			}				
		}

		if (_k) {
			_images[_i]= new Image ();
			_images[_i].src= preloadImages.arguments[_i];
		}
	}
}

function swap (someElement, someSource) {

	if (typeof (someElement.src) != typeof (undefined))
		someElement.src= someSource;

}

///////////////////////////////////////////////////////////

function delem_focus (someElement, focused) {
	if (!_check (someElement))
		return true;

	if (focused)
		someElement.className= "delem_active";

	else if (someElement.className == "delem")
		someElement.className= "delem_over";
}

function delem_blur (someElement, blurred) {
	if (!_check (someElement))
		return true;

	if (blurred || someElement.className == "delem_over")
		someElement.className= "delem";
}

///////////////////////////////////////////////////////////
//
//  това долу трябва да се прегледа, че е от памтивека вече
//
///////////////////////////////////////////////////////////

function oc (arg) {
	if (arg == 0) {
		arg= 'n=n';
	}
	cw= window.open ('cart.php?' + arg, 'cw', 'toolbar=no,location=no,scrollbars=yes,resizable=no,width=450,height=250,left=30,top=50');
	setTimeout ('cw.focus ()', 1000);
}

///////////////////////////////////////////////////////////

function toInt (n) {

	n= ' ' + n;
	m= '';

	for (i= 1; i < n.length; i++) {

		if (!isNaN (n.charAt (i)))
			m+= n.charAt (i);
	}

	return (m.length ? m : 0);

}

function getobj (id) {

	if (document.all) {
		return document.all[id];
	} else if (document.getElementById) {
		return document.getElementById (id);
	} else if (document.layers) {
		return document.layers[id];
	} else
		return false;

}

function _check (_obj) {
	if (!_obj) return false;
	if (typeof (_obj.className) == typeof (undefined)) return false;
	return true;
}

function so () {
	opener.document.location.href= 'ncache.php?pid=0002';
}

CART_TDCLASSES= new Array ('ofth', 'oftc', 'oftc', 'ofthr');

function rl (num) {

	_obj= getobj ('d' + num);
	if (!_obj) return false;

	classAddon= '';
	if (_obj.checked) {
		classAddon= ' del';
	}

	for (i= 0; i < 4; i++) {
		_obj= getobj ('c' + i + 'r' + num);

		if (!_check (_obj))
			return false;

		_obj.className= CART_TDCLASSES[i] + classAddon;
	}
}

function donothing ( ) { }

///////////////////////////////////////////////////////////