function unf()
{
	var comfList = document.forms['form1'].elements['checkbox[]'];
	var bbb=document.form1.checkboxb.checked;
	if (comfList.length) {
         for (var i=0; i < comfList.length; i++)
         if(!bbb) comfList[i].checked=false;
          else comfList[i].checked=true;
    }   
}

function unfd()
{
	document.form1.checkboxb.checked=false;
	
	
	var comfList = document.forms['form1'].elements['checkbox[]'];
	var count=0;
	if (comfList.length) {
		for (var i=0; i < comfList.length; i++)
		   if(comfList[i].checked) count++;
	}
	if(count==(comfList.length)) document.form1.checkboxb.checked=true;
}

function go_search(str)
{
		document.form1.search.value=str;
		document.form1.submit();
}