var menuOpen='false';
var inMenu='false';

function toggleVisibility(id, NNtype, IEtype, WC3type) {
    if (document.getElementById) {
        eval("document.getElementById(id).style.visibility = \"" + WC3type + "\"");
    } else {
        if (document.layers) {
            document.layers[id].visibility = NNtype;
        } else {
            if (document.all) {
                eval("document.all." + id + ".style.visibility = \"" + IEtype + "\"");
            }
        }
    }
}

function services_menu(){
	menuOpen='true';
	inMenu='false';
	toggleVisibility('services_menu_bg','show','visible','visible');
	toggleVisibility('services_menu','show','visible','visible');
}

function all_off(){
	if(menuOpen=='false' && inMenu=='false'){
	   toggleVisibility('services_menu_bg','hidden','hidden','hidden');
	   toggleVisibility('services_menu','hidden','hidden','hidden');
	}
}

function exit_menuBar(){
	menuOpen='false';
	setTimeout('all_off()', 100);
}

function enter_menu(){
	inMenu='true';
}

function exit_menu(){
	inMenu='false';
	setTimeout('all_off()', 100);
}

function showFirst(){
 toggleVisibility('b2','hidden','hidden','hidden');
 toggleVisibility('b0','show','visible','visible');
 setTimeout("showSecond()",2000);
}

function showSecond(){
 toggleVisibility('b0','hidden','hidden','hidden');
 toggleVisibility('b1','show','visible','visible');
 setTimeout("showThird()",2000);
}

function showThird(){
 toggleVisibility('b1','hidden','hidden','hidden');
 toggleVisibility('b2','show','visible','visible');
 setTimeout("showFirst()",2000);
}

function verify(){
if (document.forms[0].name.value==''){
   alert('You must give your name');
   document.forms[0].name.focus()}
else{
   if (document.forms[0].coname.value==''){
      alert('You must give your company name');
      document.forms[0].coname.focus()}
   else{
      if (document.forms[0].eaddr.value==''){
         alert('You must give your email address');
         document.forms[0].eaddr.focus()}
      else
         {document.forms[0].submit()}}}
}