function cp_bill(frm,ck){
for(var i = 0;i < frm.elements.length;i++){
  switch(frm.elements[i].type){
  case "text":
  case "textarea":
    fld= frm.elements[i].id;
    if(fld.match(/^bill/i)){
       if(frm.elements[i].value!=""){
         var ship=document.getElementById(fld.replace(/^bill/,"ship"));
		 if(ship!=null){
		   if(ship.value==""){
		     if(ck){ship.value=frm.elements[i].value;}
		   }
		   else if(ship.value==frm.elements[i].value){
		     if(!ck){ship.value="";}
		   }
		 }
       }
    }
  break;
  case "select-one":
    fld= frm.elements[i].id;
    if(fld.match(/^bill/i)){
       if(frm.elements[i].selectedIndex!=0){
         var ship=document.getElementById(fld.replace(/^bill/,"ship"));
		 if(ship!=null){
		   if(ship.selectedIndex==0){
		     if(ck){ship.selectedIndex=frm.elements[i].selectedIndex;}
		   }
		   else if(ship.selectedIndex==frm.elements[i].selectedIndex){
		     if(!ck){ship.selectedIndex=0;}
		   }
		 }
       }
    }
  break;
  }
}
}
function toggleDiv(divid){
    if(document.getElementById(divid).style.display == 'none'){
      document.getElementById(divid).style.display = 'block';
    }else{
      document.getElementById(divid).style.display = 'none';
    }
}