function openwin(url,w,h,scrollyes){
	var top = (screen.height-h)/2;
	var left = (screen.width-w)/2;
	var customize = "toolbar=no,menubar=no,resizable=yes,scrollbars="+scrollyes+",width="+w+",height="+h+",top="+top+",left="+left;
	window.open(url,'_blank',customize);
}

function CheckAll(object)
{
  form=object.form; 
  for(var i=0;i<form.elements.length;i++){
   if(form.elements[i].type=="checkbox" && form.elements[i].name==object.value){    
    form.elements[i].checked=object.checked;	
   }
  }
}
function UncheckAll(object)
{
  form=object.form; 
  for(var i=0;i<form.elements.length;i++){
   if(form.elements[i].type=="checkbox" && form.elements[i].name==object.value){    
    form.elements[i].checked=false;	
   }
  }
}