function checkSite(startItem,endItem) {
   var siteCheck = true;
   while(startItem<endItem) {
   	var item_value = document.forms["form"].elements["item"+startItem];
      checked = getValueOfGroup(item_value);
      if(checked==false) {
       	siteCheck = false;
      }
      startItem++;
	}
   return siteCheck;
}

function getValueOfGroup(item) {
	var radioChecked = false;
 	for(i=0;i<item.length;i++) {
   	if(item[i].checked==true) {
      	radioChecked = true;
      }
   }
   return radioChecked;
}

function subnav(elemID,stat) {
		document.getElementById(elemID).className = stat;
	
}