/* funkcja usuwa polskie znkaki z podanego stringa */
function makeUrl(x){
	x = encodeURI(x.toLowerCase());
	
	x = x.replace(/%C4%85/g, 'a');
	x = x.replace(/%C4%87/g, 'c');
	x = x.replace(/%C4%99/g, 'e');
	x = x.replace(/%C5%82/g, 'l');
	x = x.replace(/%C5%84/g, 'n');
	x = x.replace(/%C3%B3/g, 'o');
	x = x.replace(/%C5%9B/g, 's');
	x = x.replace(/%C5%BA/g, 'z');
	x = x.replace(/%C5%BC/g, 'z');
	x = x.replace(/%20/g, ',');
	x = x.replace(/-/g, ',');
	
	return x;
	
}