function browserGetElementObject(elementName){
   var returnValue = null;
   if(document.all){
      var returnValue = document.all[elementName];
   }else{
      returnValue = document.getElementById(elementName);
   }
   return returnValue;
}

function change_tab(theid){
	// Search through all 
  var thearray = new Array();
  var searchClass = "dprTabContent";
  var els = document.getElementsByTagName("*");
  var elsLen = els.length;
  var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
  for (i = 0, j = 0; i < elsLen; i++) {
    if ( pattern.test(els[i].className) ) {
      thearray[j] = els[i].id;
      j++;
	}
  }
   var tabTemp;
   for(i=0; i<thearray.length; i++){
      if(thearray[i] == theid){
	   tabTemp = browserGetElementObject(theid);
	  	if(tabTemp != null){
         	browserGetElementObject(theid).style.display="block";
	   		browserGetElementObject("li_"+theid).className="dprTab dprTabSelected";
	   }
	  } else {
	    tabTemp = browserGetElementObject(theid);
	   	if(tabTemp != null){
			browserGetElementObject(thearray[i]).style.display="none";
			browserGetElementObject("li_"+thearray[i]).className="dprTab";
		}
      }
   }
}