function ChSelect(cmb){
	www = cmb.name;
	adress = window.location.href;

	adress = adress.replace(RegExp('[?&]'+www+'=([^&]*)'), '');
	adress = adress.replace(RegExp('[?&]shoppage=([^&]*)'), '');
//	adress = adress.replace('?', '&');
	if ((adress.indexOf('&') > 0) && (adress.indexOf('?') <= 0)) adress = adress.slice(0, adress.indexOf('&')) + '?' + adress.slice(adress.indexOf('&')+1);
	if (adress.indexOf('?') <= 0) adress = adress + '?';
	else adress = adress + '&';
	adress = adress+www+'='+cmb.value;
	window.location = adress;


}