function secesja_hurt() {
	var inputs = document.getElementsByTagName('input');
	var sum = 0;
	var articlesums = new Array();
	var value = 0;
	for(var i = 0; i < inputs.length; i++)
		if(inputs[i].id.substring(0, 'quantity_'.length) == 'quantity_') {
			var id = inputs[i].id.substring('quantity_'.length);
			var articleid = id.indexOf('#') > 0 ? id.substring(0, id.indexOf('#')) : id;
			sum += inputs[i].value * 1;
			var v = inputs[i].value * prices[articleid];
			value += v;
			if(isNaN(articlesums[articleid]))
				articlesums[articleid] = 0;
			articlesums[articleid] += v;
			document.getElementById('value_' + articleid).innerHTML = (articlesums[articleid] / 100) + "zł";
		}
	document.getElementById('quantity_all').innerHTML = sum;
	document.getElementById('value_all').innerHTML = (value / 100) + "zł";
}

function secesja_number(event) {
        var key;
        if(window.event)
                key = window.event.keyCode;
        else
        if(event)
                key = event.which;
        else
                return true;
        return key < 32 || key >= 48 && key <= 57;
}