View difference between Paste ID: 38TWBqUP and x4V1jnnY

 var originalProceedWeek = General.proceedOneWeek; //store the original function as a variable
 var myProceedWeek = function(company, customweek) //create a new function that will override the old one
 {
     originalProceedWeek(company, customweek); //call the original we stored
 
     if (company.currentWeek < 1) { //check if the date is before 1/1/2
         //do something at 1/1/1
     }
-    else if (company.currentWeek % 4 === 0) { //check if the current week is divisible by 4, the number of weeks a month
+    else if (company.currentWeek > 0 && company.currentWeek % 4 === 0) { //check if the date is later than 1/1/1 and the current week is divisible by 4, the number of weeks a month
         //do something every month
     }
 };
 General.proceedOneWeek = myProceedWeek; //replace the original function