var request = null;
 
function createRequest() {
     try {
       request = new XMLHttpRequest();
     } catch (trymicrosoft) {
       try {
         request = new ActiveXObject("Msxml2.XMLHTTP");
       } catch (othermicrosoft) {
         try {
           request = new ActiveXObject("Microsoft.XMLHTTP");
         } catch (failed) {
           request = null;
         }
       }
     }

     if (request == null)
       alert("Error creating request object!");
}


function chPage(n1,n2,foo){
  n1 += foo;
  document.getElementById('page'+n1).style.display = 'inline';
  document.getElementById('page'+n2).style.display = 'none';
//  alert(n1+' - '+n2);
  var n1_up = n1;
  var n2_up = n2;
  document.getElementById('page_up').innerHTML = '<a href="javascript:chPage('+n1_up+','+n2_up+',1);">>></a>';
  
  var n1_down = n1;
  var n2_down = n2-1;
  document.getElementById('page_down').innerHTML = '<a href="javascript:chPage('+n1_down+','+n2_down+',-1);"><<</a>';
}

function checkform ( obj )
{
  for ( var i=0; i<obj.elements.length; i++ )
  {
      if ( obj.elements[i].getAttribute( "required" ) != null )
      {
          if ( obj.elements[i].value == '' )
          {
                alert('Не заполнено обязательное поле!');
                return false;
          }
      }
  }
  return true;
}

function changeObj(val){
    	document.getElementById('biss').style.display='none';
    	document.getElementById('nedv').style.display='none';
	document.getElementById('auto').style.display='none';
	document.getElementById(val).style.display='block';
}

var tab_left = 0;

function setMinibott(act){  
      var el = document.getElementById("minibott_tab");      
      var temp_left = tab_left + ( 221 * (act) );     
      var temp = countMB + (1*(act));
      if( temp >= 0 && temp_left <= 0){
          countMB = temp;
	  tab_left = temp_left;
          el.style.left = tab_left;
      }
      
}         

function sendLink(){
	myWin = window.open(host+"app/sendlink.php?ln="+document.location, "displayWindow", "width=480,height=230,status=no,resizable=yes,scrollbars=1;toolbar=no,menubar=no");
  	myWin.document.close();
}

function checkform_f ( obj ){   
  var reg = /^[a-zA-Z_.0-9]+[@][a-z]+[.][a-z]+$/;

  for ( var i=0; i<obj.elements.length; i++ )
  {
      if ( obj.elements[i].getAttribute( "required" ) != null )
      {
          if ( obj.elements[i].value == '' ){
                alert('Не заполнено обязательное поле!');
                return false;
          }
	  else if ( obj.elements[i].name == 'email' ){
           	var email = obj.elements[i].value;		
   		if(reg.exec(email) == null){
			alert('Введите e-mail корректно!');
                	return false;		
		}
	  }
      }
  }
  return true;
}

pngfix=function(){var els=document.getElementsByTagName('*');var ip=/\.png/i;var i=els.length;while(i-- >0){var el=els[i];var es=el.style;if(el.src&&el.src.match(ip)&&!es.filter){es.height=el.height;es.width=el.width;es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+el.src+"',sizingMethod='crop')";el.src=clear;}else{var elb=el.currentStyle.backgroundImage;if(elb.match(ip)){var path=elb.split('"');var rep=(el.currentStyle.backgroundRepeat=='no-repeat')?'crop':'scale';es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+path[1]+"',sizingMethod='"+rep+"')";es.height=el.clientHeight+'px';es.backgroundImage='none';var elkids=el.getElementsByTagName('*');if (elkids){var j=elkids.length;if(el.currentStyle.position!="absolute")es.position='static';while (j-- >0)if(!elkids[j].style.position)elkids[j].style.position="relative";}}}}}
uaVers=''; // uaVers может не определиться в Опере, так что, переменную приходится инициализировать, чтобы не было ошибок
if (window.navigator.userAgent.indexOf ("MSIE 6.0") >= 0){
    window.attachEvent('onload',pngfix);
}