//function $(id)
//{
// return document.getElementById(id);
//}
//-----------------------------------------------------------------------------
function toggle(id)
{
 var el=$(id);

 if (el.style.display=='none') el.style.display='';
 else                          el.style.display='none';
}
//-----------------------------------------------------------------------------
Array.prototype.inArray=function(value)
{
 for (var i=0; i < this.length; i++)
 {
  if (this[i]===value)
   return true;
 }
 return false;
};
//-----------------------------------------------------------------------------
function viewBlock(block)
{
	if (document.getElementById(block).style.display=='none' || document.getElementById(block).style.display=='')
	 document.getElementById(block).style.display='block';
	else
	 document.getElementById(block).style.display='none';
}