function saveFormSession(form) {
	if(!form||!form.id||!/^[^;=]+$/.test(form.id)) return;
	var data="", tok, el, safe_name;
	for(var i=0; i<form.elements.length; i++) {
		if((el=form.elements[i]).name==""||el.getAttribute("skip_form_save")!=null) continue;
		safe_name=el.name.replace(/([)\\])/g, "\\$1");
		switch(el.type) {
			case "text":
			case "textarea": tok="v("+safe_name+"):"+el.value.replace(/([|\\])/g, "\\$1")+"||"; break;
			case "radio":
			case "checkbox": tok="s("+safe_name+"):"+(el.checked? "1": "0")+"||"; break;
			case "select-one": tok="i("+safe_name+"):"+(el.selectedIndex)+"||"; break;
			default: tok="";
		}
		data+=tok;
	}
	if(data>=4000) return alert("Can't save form into cookie, to much data...");
	document.cookie="ses"+form.id+"="+escape(data);
	return true;
}


function restoreFormSession(form) {
	if(!form||!form.id||!/^[^;=]+$/.test(form.id)) return false;
	var strt, end, data, nm, dat;
	if((strt=document.cookie.indexOf("ses"+form.id))<0) return false;
	if((end=document.cookie.indexOf(";", strt + form.id.length + 3))<0) end=document.cookie.length;
	data=unescape(document.cookie.substring(strt + form.id.length + 4, end)).split("||");
	for(var i=0; i<data.length-1; i++) {
		nm=/^[vsi]\(((?:[^)\\]|(?:\\\))|(?:\\\\))+)\)\:/.exec(data[i]);
		nm[1]=nm[1].replace(/\\([)\\])/g, "$1");
		dat=data[i].substr(nm[0].length).replace(/\\([|\\])/g, "$1");
		switch(data[i].charAt(0)) {
			case "v": form.elements[nm[1]].value=dat; break;
			case "s": form.elements[nm[1]].checked=(dat=="1"? true: false); break;
			case "i": form.elements[nm[1]].selectedIndex=dat; break;
		}
	}					
	return true;
}