function image_open(url,width,height,scrollbar){
 window.open(url,"_blank","height="+height+",width="+width+",left=80,top=180,scrollbars="+scrollbar)
}
function unselectall()
{
    if(document.del.chkAll.checked){
	document.del.chkAll.checked = document.del.chkAll.checked&0;
    } 	
}

function CheckAll(form)
  {
  for (var i=0;i<form.elements.length;i++)
    {
    var e = form.elements[i];
    if (e.Name != "chkAll")
       e.checked = form.chkAll.checked;
    }
  }


function subscribe() {
	document.subscribeform.subcribe_value.value = "subscribe";
	document.subscribeform.submit();
}

function unsubscribe()
  {
	document.subscribeform.subcribe_value.value = "unsubscribe";
	document.subscribeform.submit();
  }

function ShowHide(id) {
    obj = document.getElementsByTagName("div");
    if (obj[id].style.visibility == 'visible'){
    obj[id].style.visibility = 'hidden';
    }
    else {
    obj[id].style.visibility = 'visible';
    }
}