function setCookie(sName, sValue, oExpires, sPath, sDomain, bSecure){
    var sCookie = sName + "=" + encodeURIComponent(sValue);
    if (oExpires) {
        sCookie += "; expires=" + oExpires.toGMTString();
    }
    if (sPath) {
        sCookie += "; path=" + sPath;
    }
    if (sDomain) {
        sCookie += "; domain" + sDomain;
    }
    if (bSecure) {
        sCookie += "; secure";
    }
    document.cookie = sCookie;
}

function getCookie(sName){
   var sRE = "(?:;)?" + sName + "=([^;]*);?";
    var oRE = new RegExp(sRE);
    if (oRE.test(document.cookie)) {
        return decodeURIComponent(RegExp["$1"]);
    }
    else {
        return null;
    }
   //alert( document.cookie.toString());
}

function setCategoryID(tagID){
    var ctrl = document.getElementById(tagID);
    var value = ctrl.value;
    setCookie("cid", value);
}

function getCategoryID(tagID){
    var value = getCookie("cid");
    var ctrl = document.getElementById(tagID);
    ctrl.value = value;
}

function clickItem(obj){
    var childId = obj.id + "_ul";
    var divUl = document.getElementById(childId);
    if (divUl != null) {
        if (divUl.style.display == "none") {
            if (obj.width > 10) {
                obj.src = "/Images/list_minus.gif";
				setCookie("size", "1");
            }
            else {
                obj.src = "/Images/list_minus_s.gif";
				setCookie("size", "0");
            }    
            divUl.style.cssText = "display:table";
            setCookie("cid", childId); 
			setCookie("imgId",obj.id);     
        }
        else {
            if (obj.width > 10) 
                obj.src = "/Images/list_add.gif";
            else 
                obj.src = "/Images/list_add_s.gif";
            divUl.style.cssText = "display:none";
        }
    }
}

function expand(){
    var tagName = getCookie("cid");
	var size = getCookie("size");
	var imgId = getCookie("imgId");
    var divUl = document.getElementById(tagName);
	var img = document.getElementById(imgId);
    if (divUl != null && img!=null) {
    	if(size == 1){
			img.src="/Images/list_minus_s.gif";
		}
		else{
			img.src="/Images/list_minus_s.gif";
		}
		divUl.style.cssText = "display:table";
    }
}

//Check string is null
function CheckIsNull(inputObjName,description)
{
	var inputObj = document.getElementById(inputObjName);
	if(inputObj.value.trim() == "")
	{
		alert(description);
		inputObj.focus();
		return true;
	}
	else
		return false;
}