function SetURLParam(newkey, newvalue){
	newkey = newkey.toLowerCase();
	var URL = newurl;
	if (!URL) URL = location.href;

	var paramadded = false;
	var newparamstr = '';

	var leftpartofURL = URL.split("?")[0];
	var oldparamstr = URL.split("?")[1];
	if (oldparamstr){
		var params = oldparamstr.split("&");
		for (var i=0; i<params.length; i++){
			var pair = params[i].split("=");
			var key=pair[0];
			var value=pair[1];
			
			if (key.toLowerCase() == newkey) {	// замена существующего параметра
				value = newvalue;
				paramadded = true;
			}

			if (newparamstr == ''){
				newparamstr += key + "=" + value;
			} else {
				newparamstr += "&" + key + "=" + value;
			}
		}
	} else {								// если строка вида /news, то сделать из нее /news/, чтобы потом прибавить ?dfsf=sdfsd
		if (leftpartofURL.substring(leftpartofURL.length-1, 1) != "/"){
			leftpartofURL += "/";
		}
	}

	if (!paramadded){						// добавление параметра если он не обнаружен в URL
		if (newparamstr == ''){
			newparamstr += newkey + "=" + newvalue;
		} else {
			newparamstr += "&" + newkey + "=" + newvalue;
		}
	}
	location.href = leftpartofURL + "?" + newparamstr;
}

function getCookie(name) {
	var prefix = name + "=";
	var cookieStartIndex = document.cookie.indexOf(prefix);
	if (cookieStartIndex == -1) return null;
	var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length);
	if (cookieEndIndex == -1) cookieEndIndex = document.cookie.length;
	return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex));
}

function setCookie(name, value, expires, path, domain) {
	if (!path) path='/';

	if (!domain){ 
		domain = location.href;
		var re = /https?:\/\/(www\.)?(.*?)(\/|$)/i;
		if (re.test(domain)){
			domain = RegExp.$2;
		}

		if (domain.indexOf(/\./) == -1) domain = "";
	}
	if (expires == 'permanent'){
		expires = 'Fri, 25 Dec 2099 23:59:59 GMT';
	} else {
		((expires) ? "; expires=" + expires.toGMTString() : "");
	}
	var curCookie = name + "=" + escape(value) + ((expires) ? "; expires=" + expires : "") + ((domain) ? "; domain=" + domain : "") + "; path=" + path;
	document.cookie = curCookie;
}

function delCookie(name)
{
	document.cookie = name + "=; expires=Fri, 31 Dec 1999 23:59:59 GMT; path=/";
}

function logout(){
	delCookie('login');
	delCookie('password');
	location.reload();
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}