how to use one function value outside in another function

Question

I have two function like below. I want to use one function value in second function. But i am confuse about it how can i use ? I have googled but not get right solution. one function have value like as 11,12,13,14,15.

 

 

global variable:-

 

var  CatValue, Rvalue, BranchVal; 

 

one function :-

 

function UserData() {
Rvalue = $('#<%=ddlScheme.ClientID%>').val();
Rvalue = Rvalue + ',';
BranchVal = Rvalue;
}

 

second function:-

 

function insertCat() {
UserData();
var y = BranchVal;
this.sOpt = $("#<%=ddlOption.ClientID%>").val();
this.SerialNo = SerialNo ? SerialNo : 0;
this.CodeName = $("#<%=txtCodeName.ClientID%>").val();
this.ParentID = $("#<%=ddlSubCategory.ClientID%>").val() ? $("#<%=ddlSubCategory.ClientID%>").val() : 0;
this.StockUnit = $("#<%=ddlStockUnit.ClientID%>").val() ? $("#<%=ddlStockUnit.ClientID%>").val() : 0;
this.AltrUnit = $("#<%=ddlAltrUnit.ClientID%>").val() ? $("#<%=ddlAltrUnit.ClientID%>").val() : 0;
this.Depreciation =/* $("#<=ddlDepreciation.ClientID%>").val() ? $("#<=ddlDepreciation.ClientID%>").val() : */0;
this.AltrUnitVal = $("#<%=txtAltUnit.ClientID%>").val() ? $("#<%=txtAltUnit.ClientID%>").val() : 0;
this.DepreciationVal =/* $("#<=txtDepreciationVal.ClientID%>").val() ? $("#<=txtDepreciationVal.ClientID%>").val() : */0;
this.SchemeMaping = y;
this.ScreenMaping = $("#<%=ddlScreen.ClientID%>").val();
}