... 
var parentvar = "parent"; 
             
            while (myImageArray[i].parent && myParent != "undefined"){ 
                switch (myImageArray[i].parentvar.constructor.name){ 
                            case "Rectangle": 
                            case "Oval": 
                            case "Polygon": 
                            case "Group": 
                            case "Button": 
                            case "TextFrame": 
                            case "GraphicLine": 
                                break; 
                             
                            case "Cell": 
                                var myParent = myImageArray[i].parentvar; 
                                 
                    } 
                parentvar = parentvar + ".parent"; 
            } 
... 

while (myImageArray[i].parent && myParent != "undefined") 

while (myImageArray[i].parent && myParent == "undefined") 

while (myImageArray[i].parent) 

var gesuchterParent; 
 
function sucheParent(obj, gesuchterParent) { 
  if (irgendeineBedinung == false) { 
    obj = obj.parent 
    sucheParent(obj, gesuchterParent) 
  } 
  else gesuchterParent = obj; 
} 
 
sucheParent(myObj, gesuchterParent); 

for (var i=0; i < myImageArray.length; i++){ 
         
            var myPath = myImageArray[i].itemLink.name;  
            var myScaling = myImageArray[i].horizontalScale;  
             
            myCell = getParent(myImageArray[i], "Cell"); 
             
            myCell.contents = myPath + " ## " + myScaling; 
           
   }