function checkCount(elem){
	var is_number = parseInt(elem.value);
	if((elem.value != '0') && (is_number == elem.value)){
		document.basket.action.disabled = false;
	}else{
		document.basket.action.disabled = true;
	}
}

function openWin (url, width, height, resize, scroll) {
	if(resize == ""){resize = 1;}
	if(scroll == ""){scroll = 1;}
	window.open(url, 'Popup', 'width='+width+',height='+height+',scrollbars='+scroll+',resizable='+resize);
	return false;
}