count = 0;

function OnCheckboxClick(id, checked, FormId) {
	if(FormId == null) FormId = 0;
//	document.forms[FormId].getElementById("but_"+id).disabled = !checked;
	document.forms[FormId]["but_"+id].disabled = !checked;
	(checked ? count++ : count--); 
	document.forms[FormId].butDelete.disabled = !count;

}

function setCookie (name, value, expires, path, domain, secure) {
      document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function SetCity(City) {
	setCookie('city', City, '', '/');
	location.href = location.href;
}