JavaScript

//check template orders
var ordercntr = false;//just a control key
var partial = '';//i'm appending the selects ids to this variable on each iteration.
var orderfinal = new Array();//will add the successful values of my selects(inside my if statement)
for (l = 0; l < order.length; l++) {
    //looping through an array that contains selects ids(order)
   //select ids have the form: sel_0, sel_1, sel_2, sel_3, sel_4, sel_5 (there six selects in total)
    partial += order[l] + '~';//appending to my partial variable, the current select's id
    var d = document.getElementById(order[l]).value;//getting the value of the select
    if (partial.search(d) < 1)
       {
         //i'm searching for whether the selected value e.g. 1 has already been appended to my
         //partial variable 'partial' which at first iteration has a value of sel_0~, second iteration=sel_0~sel_1
          orderfinal[l] = d; ordercntr = true;
       }
    else
       {
          ordercntr = false; break;
       }
}