ids=new Array();
images=new Array();
ids[0]="display-portlet-news";
ids[1]="display-portlet-related";
ids[2]="display-portlet-links";
ids[3]="display-portlet-globalactions";
ids[4]="display-portlet-tasks";

images[0]="image-portlet-news";
images[1]="image-portlet-related";
images[2]="image-portlet-links";
images[3]="image-portlet-globalactions";
images[4]="image-portlet-tasks";

for (i=0; i<ids.length; i++) {
    element=document.getElementById(ids[i]);
    cookie=getCookie(ids[i]);
    if (cookie!="") {
      if (cookie=="none")
      {
        document.getElementById(ids[i]).style.display="none";
        document.getElementById(images[i]).src='arrow_up.gif';
      }
      else   
      {
        document.getElementById(ids[i]).style.display="block";
        document.getElementById(images[i]).src='arrow_down.gif';
      }
    }
    
}