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DZone >

Pull Down Menu Next / Back Functionality

Snippets Manager user avatar by
Snippets Manager
·
Oct. 07, 05 · · Code Snippet
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function selectNextBack(name,direction) {
   var sel = (document.getElementById ? document.getElementById(name) : document.all[name]);
   if(sel == null) { return false; }
   var ops = sel.options.length;
   var num = sel.selectedIndex;
   if(ops > 0){
     if(direction == "next"){
	if (ops-num == 1){
	  sel.selectedIndex = 0;
	} else {
	  sel.selectedIndex = num+1;  
	}
      }else{
	if (num == 0){
	  sel.selectedIndex = ops-1;
	} else {
	  sel.selectedIndex = num-1;  
	}
      }
   }
}


EXAMPLE

Back
 
Next

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