isDOM=document.getElementById //DOM1 browser (MSIE 5+, Netscape 6, Opera 5+)
isOpera=isOpera5=window.opera && isDOM //Opera 5+
isOpera6=isOpera && window.print //Opera 6+
isOpera7=isOpera && document.readyState //Opera 7+
isMSIE=document.all && document.all.item && !isOpera //Microsoft Internet Explorer 4+
isMSIE5=isDOM && isMSIE //MSIE 5+
isNetscape4=document.layers //Netscape 4.*
isMozilla=isDOM && navigator.appName=="Netscape" //Mozilla или Netscape 6.*


function print_r(obj) {
  var allProp = '';
  for (var i in obj) {
    allProp = allProp+"["+i+" = "+obj[i]+"] ";
  }
  alert(allProp);
}

if (moz) {
        extendElementModel();
        extendEventObject();
        emulateEventHandlers(["mousemove", "mousedown", "mouseup"]);
}

function initScroller() {
  if (window.document.body.clientHeight && window.document.body.scrollHeight) {
    var docAvail  = window.document.body.clientHeight;
    var docInNeed = window.document.body.scrollHeight;

    if (docInNeed<=docAvail) {
      if (window.document.getElementById("goOnTop1")) {
        window.document.getElementById("goOnTop1").style.display = "none";
        window.document.getElementById("goOnTop2").style.display = "none";
        window.document.getElementById("goOnTop3").style.display = "none";
      }
    }
  }
}

// function for popup ---------------------------
function advOpen(openUrl, openWidth, openHeight) {

  if (screen) {
    var s   = screen;
    var srw = s.width-50;
    var srh = s.height-36;
  } else {
    var srw = 750;
    var srh = 564;
  }

  if ((openWidth>srw) || (openHeight>srh)) {
    openScroll  = "1";
    if (openHeight>srh) { openWidth  = openWidth+16; openHeight = srh-16; }
    if (openWidth>srw)  { openHeight = openHeight+16; openWidth = srw-16; }
  } else {
    openScroll  = "0";
  }

  srw     = (srw - openWidth)/2;
  srh     = (srh - openHeight)/5;

  var UTCstring;
  Today = new Date();
  UTCstring = Today.getUTCHours()*Today.getUTCMinutes()*Today.getUTCSeconds();
  
  var openName;
  openName        = "openPopup"+UTCstring;
  openParameters  = "left="+srw+",top="+srh+",outerHeight=0,innerWidth,width="+openWidth+",innerHeight,height="+openHeight+",scrollbars="+openScroll+",titlebar=1,resizable=0";


//  if (window.openPopup) { if (!window.openPopup.closed) { window.openPopup.close(); } }
  
  openPopup = open(openUrl, openName, openParameters);

  return false;
}




// functions for layers -------------------------
function layerStyle(layerObject){
    if(layerObject.style) return layerObject.style //доступ через style
    return layerObject //доступ без style
}
function layer(layerName){
    if(document.getElementById) return document.getElementById(layerName)
    if(document.all) return document.all[layerName]
    if(document.layers) return document.layers[layerName]
    return null
}

function advOpenPrint(openUrl, openWidth, openHeight) {
    if (screen) {
        var s   = screen;
        var srw = s.width-50;
        var srh = s.height-36;
    } else {
        var srw = 750;
        var srh = 564;
    }

    if ((openWidth>srw) || (openHeight>srh)) {
        openScroll  = "1";
        if (openWidth>srw)  { openHeight = openHeight+16; openWidth = srw-50; }
        if (openHeight>srh) { openWidth  = openWidth+16; openHeight = srh-50; }
    } else {
        openScroll  = "0";
    }

    srw     = (srw - openWidth)/2;
    srh     = (srh - openHeight)/5;

    var UTCstring;
    Today = new Date();
    UTCstring = Today.getUTCHours()*Today.getUTCMinutes()*Today.getUTCSeconds();
  
    var openName;
    openName        = "openPopup"+UTCstring;
    openParameters  = "left="+srw+",top="+srh+",outerHeight=0,innerWidth,width="+openWidth+",innerHeight,height="+openHeight+",scrollbars=1,titlebar=1,resizable=0,menubar=1";

//    if (window.openPopup) { if (!window.openPopup.closed) { window.openPopup.close(); } }
  
    openPopup = open(openUrl, openName, openParameters);

    return false;
}

function advOpenTools(openUrl, openWidth, openHeight) {
    if (screen) {
        var s   = screen;
        var srw = s.width;
        var srh = s.height;
    } else {
        var srw = 750;
        var srh = 564;
    }

    srw     = (srw - openWidth)/2;
    srh     = (srh - openHeight)/5;

    var UTCstring;
    Today = new Date();
    UTCstring = Today.getUTCHours()*Today.getUTCMinutes()*Today.getUTCSeconds();
  
    var openName;
    openName        = "openPopup"+UTCstring;
    openParameters  = "left="+srw+",top="+srh+",outerHeight=0,innerWidth,width="+openWidth+",innerHeight,height="+openHeight+",scrollbars=0,titlebar=1,resizable=0,menubar=1";

//    if (window.openPopup) { if (!window.openPopup.closed) { window.openPopup.close(); } }
  
    openPopup = open(openUrl, openName, openParameters);

    return false;
}


function printPage() {
    var pr = (window.print) ? 1 : 0;
    if (pr) // NS4, IE5
        window.print()
    else if (da && !mac) // IE4 (Windows)
        vbPrintPage()
    else // muut
        alert("Can't Print");
}

function MM_preloadImages() { //v3.0
    var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}