function Closer(){
   document.getElementById('img_prew').style.display="none";
}
function Img_prew(file){
   document.getElementById('img_prew').style.top=(screen.height/2-350)+document.body.scrollTop;
   document.getElementById('img_prew').style.left=(screen.width/2-250);
   document.getElementById('img_prew').style.width=400;
   document.getElementById('img_prew').style.height=500;
   document.getElementById('img_prew').innerHTML='<center><br><br><img src="http://www.umplast.ru/catalog_big_prew.php?name='+file+'"><br><br><a href="" onClick="Closer()">Закрыть</a></center>';
   document.getElementById('img_prew').style.display="block";
   }

function Map(){
   var a;
   a=document.body.scrollTop;
   document.getElementById('map').style.display='block';
   document.getElementById('map').style.top=(screen.height/2-350);
   document.getElementById('map').style.left=(screen.width/2-450);
   document.body.scrollTop=a;
   }

function HideMap(){
   document.getElementById('map').style.display='none';
   HideHint();
   }



function ShowHint(){
document.getElementById('hint').style.display='block';
document.getElementById('hint').style.top=(event.clientY+25);
document.getElementById('hint').style.left=(event.clientX+25);
}

function HideHint(){
document.getElementById('hint').style.display='none';
}

function getBrowserInfo() {
 var t,v = undefined;
 if (window.opera) t = 'Opera';
 else if (document.all) {
  t = 'IE';
  var nv = navigator.appVersion;
  var s = nv.indexOf('MSIE')+5;
  v = nv.substring(s,s+1);
 }
 else if (navigator.appName) t = 'Netscape';
 return {type:t,version:v};
}

function bookmark(a){
 var url = window.document.location;
 var title = window.document.title;
 var b = getBrowserInfo();
 if (b.type == 'IE' && 7 > b.version && b.version >= 4) window.external.AddFavorite(url,title);
 else if (b.type == 'Opera') {
  a.href = url;
  a.rel = "sidebar";
  a.title = url+','+title;
  return true;
 }
 else if (b.type == "Netscape") window.sidebar.addPanel(title,url,"");
 else alert("Нажмите CTRL-D, чтобы добавить страницу в закладки.");
 return false;
}