function getScrollY() {
  var scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
  } else if( document.body && document.body.scrollTop ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
  } else if( document.documentElement && document.documentElement.scrollTop ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
  }
  return scrOfY;
}



function detect_c () 
{
if (self.innerWidth) 
  {	    
  x = self.innerWidth;	    
  y = self.innerHeight;  
  // IE 6 Strict Mode	
  } 
else if (document.documentElement && document.documentElement.clientWidth) 
  {	    
  x = document.documentElement.clientWidth;	    
  y = document.documentElement.clientHeight;
  // Остальные версии IE	
  } 
else if (document.body) 
  {	    
  x = document.body.clientWidth;	    
  y = document.body.clientHeight;
  }	
  x=x/2;
  y=y/2;
  y=y-195;
  x=x-230;
if (x<0)
  {x=0;}
if (y<0)
  {y=0;}
  
document.getElementById('z').style.top = getScrollY()+y+'px';
document.getElementById('z').style.left = x+'px';
}
  		
function show_ok () {
detect_c();
document.getElementById('form_messageplace').innerHTML = '<table cellspacing=0 cellpadding=0 border=0><tr><td class=white_form width=81>Ф.И.О.:</td><td width=265><input type=text name=name class=i_mail></td></tr><tr><td colspan=2 height=4></td></tr><tr><td class=white_form width=81>телефон:</td><td width=265><input type=text name=phone class=i_mail></td></tr><tr><td colspan=2 height=4></td></tr><tr><td class=white_form width=81>e-mail:</td><td width=265><input type=text name=mail class=i_mail></td></tr><tr><td colspan=2 height=4></td></tr><tr><td class=white_form width=81 valign=top style="padding-top: 3px;">сообщение:</td><td width=265><textarea name=message class=i_mess></textarea></td></tr><tr><td colspan=2 height=10></td></tr><tr><td></td><td><input type=image src="img/submit.png" style="width: 108px; height: 26px;"></td></tr></table>';
document.getElementById('z').style.display = 'block';
}
function hide_ok() 
  {
  document.getElementById('z').style.display = 'none';
  }
  
function doLoad(act,name,phone,mail,message) 
  {
  var errors='';
  if (name=='')
    {
    errors+=("Введите Ф.И.О.\n");
    }
  if (message=='')
    {
    errors+=("Введите сообщение\n");
    }
  if (errors=='')
    {
    var req = new JsHttpRequest();
    req.onreadystatechange = function() 
      {
      if (req.readyState == 4) 
        {
        show_ok(); 
        document.getElementById('form_messageplace').innerHTML = req.responseText;
        return false
        }
      }
    req.open(null, 'send.html', true);
    req.send( { act: act , name: name, phone: phone, mail: mail, message: message} );
    return false
    }
  else
    {
    alert (errors);
    return false
    }
  }
  
  
window.onresize=detect_c