function getElementsByClass(searchClass,node,tag) {
  var classElements = new Array();
  if (node == null)
    node = document;
  if (tag == null)
    tag = '*';
  var els = node.getElementsByTagName(tag);
  var elsLen = els.length;
  var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
  for (i = 0, j = 0; i < elsLen; i++) {
    if (pattern.test(els[i].className) ) {
      classElements[j] = els[i];
      j++;
    }
  }
  return classElements;
}

function submenu(id)
{
		
		//var links = getElementsByClass("subcat",document.getElementById("sub"),"td");
		var table = document.getElementById("table1");
		tds = table.getElementsByTagName('TD');

		for (i=0; i<tds.length; i++)
		{
			if(tds[i].className != 'subcat_active')
			{
				if(tds[i].className == 'subcat' && tds[i].id != id)
					tds[i].className = 'subcat_2';
			}
		}
		
		tds[id].className = 'subcat';
		
		//klink.className="subcat";
}
function submenu2()
{
		
		//var links = getElementsByClass("subcat",document.getElementById("sub"),"td");
		var table = document.getElementById("table1");
		tds = table.getElementsByTagName('TD');

		for (i=0; i<tds.length; i++)
		{
			if(tds[i].className != 'subcat_active')
			{
					tds[i].className = 'subcat_2';
			}
		}
		
		//klink.className="subcat";
}

function hide_pop()
{
   document.all.login.style.visibility='hidden';
   document.all.fon.style.visibility='hidden';
   document.all.testimon.style.visibility='hidden';
   document.all.reqest.style.visibility='hidden';
   document.all.specif.style.visibility='hidden';
}
function hide_pop_2()
{
   document.all.login.style.visibility='hidden';
   document.all.fon.style.visibility='hidden';
}

function show_pop()
{
   document.all.login.style.visibility='visible';
   document.all.fon.style.visibility='visible';
}

function body_hide()
{
	document.body.style.overflow='hidden';
}
function body_show()
{
	document.body.style.overflow='';
}

function hide_testimon()
{
   document.all.testimon.style.visibility='hidden';
   document.all.fon.style.visibility='hidden';
}

function show_testimon()
{
   document.all.testimon.style.visibility='visible';
   document.all.fon.style.visibility='visible';
}

function hide_reqest()
{
   document.all.reqest.style.visibility='hidden';
   document.all.fon.style.visibility='hidden';
}

function show_request()
{
   document.all.reqest.style.visibility='visible';
   document.all.fon.style.visibility='visible';
}
function hide_specif()
{
   document.all.specif.style.visibility='hidden';
   document.all.fon.style.visibility='hidden';
}

function show_specif()
{
   document.all.specif.style.visibility='visible';
   document.all.fon.style.visibility='visible';
}