function Toggle(item) {
   CollapseOther(item);
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
     key.innerHTML="+";
   } else {
      obj.style.display="block";
      key.innerHTML="-";
   }
}

function CollapseOther(item) {
    divArr = new Array ('divProducts', 'divSpecProds', 'divApplications', 'divTestimonials', 'divPartners')
    
    for (i=0; i<divArr.length; i++) {
        if (divArr[i].toString() != item) {
            Collapse (divArr[i].toString())
        }
    }
}

function Expand() {
   obj=document.getElementById(item);
   key=document.getElementById("x" + item);
   obj.style.display="block";
   key.innerHTML="-";
}

function Collapse(item) {
   obj=document.getElementById(item);
   key=document.getElementById("x" + item);
   obj.style.display="none";
   key.innerHTML="+";
}