Reorganized some functions on corresponding scripts to make it clearer of what was supposed to go in each one

yScripts/y_JSExtensions.jsx

@@ -1,4 +1,6 @@
-if (Array.prototype.getOne==null) Array.prototype.getOne=function(item){    //Extends the Array class with the getOne functions wich 
+//Useful extensions to the JavaScript class versions that come with the default ExtendScript version.
+
+if (Array.prototype.getOne==null) Array.prototype.getOne=function(item){    //Extends the Array class with the getOne functions wich 
     var val = -1;
     for(i=0;i<=this.length;i++){
         if(this[i]==item){
@@ -7,11 +9,3 @@
         }
    return val;
 }
-function yFactor(n,f){
-    if((typeof(n)=='number'&&typeof(f)=='number')&&(n>f)){
-        value = n - (n%f);
-        return(value);
-    }else{
-        alert('error');
-    }
-}