//Menu functions

var menu          = "";
var submenu       = "";
var delay         = 100;
var mytimerID;
var y_axis_offset = 0; 
var x_axis_offset = 0; 

browserName = navigator.appName;          
browserVer = parseInt(navigator.appVersion);
var userBrowser   = navigator.userAgent; 
userBrowser       = userBrowser.toLowerCase();
isExplorer         = userBrowser.indexOf("msie") > -1;
isNetscape        = userBrowser.indexOf("netscape") > -1; 
isFirefrox        = userBrowser.indexOf("firefox") > -1; 
isSafari          = userBrowser.indexOf("safari") > -1; 
isMac             = userBrowser.indexOf("mac") > -1; 

if (isFirefrox){
 y_axis_offset = 0;
}

if (isNetscape){
 y_axis_offset = 0;
}

if (isMac && isExplorer){
 y_axis_offset = 15;
 x_axis_offset = 10;  
}

if (isMac  && isNetscape){
 y_axis_offset = -0;
}

if (isMac  && isSafari){
 y_axis_offset = 0;
}

function showMenu (x, y, imgname){
  var x,y;
  y -= y_axis_offset;
  x -= x_axis_offset;
  if (mytimerID)
    clearTimeout(mytimerID);

  if (document.layers) {
    eval("x = document.dm_"+menu+".left +" + x);
    eval("y = document.dm_"+menu+".top +" + y + "+ dm_"+imgname+"Y");
  } else {
    x = moveXbySlicePos (x, imgname);
    y = moveYbySlicePos (y, imgname);
  }

  if (document.all) {  
    eval("dm_"+imgname+".style.left ="+x);
    eval("dm_"+imgname+".style.top =" + y);
    eval("dm_"+imgname+".style.visibility = 'visible'");
  } else if (document.layers) { 
    eval("document.dm_"+imgname+".left ="+x);
    eval("document.dm_"+imgname+".top ="+y);    
    eval("document.dm_"+imgname+".visibility = 'show'");
  } else if (document.getElementById) {
    document.getElementById('dm_'+imgname).style.visibility = 'visible';
    document.getElementById('dm_'+imgname).style.left = x;
    document.getElementById('dm_'+imgname).style.top = y;

  }
}

function FIND(item) {
  if( window.mmIsOpera ) return(document.getElementById(item));
  if (document.all) return(document.all[item]);
  if (document.getElementById) return(document.getElementById(item));
  return(false);
}

function moveXbySlicePos (x, imgname) { 
  var img = FIND(imgname) || document.images[imgname] || document.links[imgname] || document.anchors[imgname];
  if (!document.layers) {
    var onWindows = navigator.platform ? navigator.platform == "Win32" : false;
    var macIE45 = document.all && !onWindows && getExplorerVersion() == 4.5;
    var par = img;
    var lastOffset = 0;
    while(par){
      if( par.leftMargin && ! onWindows ) x += parseInt(par.leftMargin);
      if( (par.offsetLeft != lastOffset) && par.offsetLeft ) x += parseInt(par.offsetLeft);
      if( par.offsetLeft != 0 ) lastOffset = par.offsetLeft;
      par = macIE45 ? par.parentElement : par.offsetParent;
    }
  } else if (img.x) {
     x += img.x;
  }
  return x;
}

function getExplorerVersion() {
  var ieVers = parseFloat(navigator.appVersion);
  if( navigator.appName != 'Microsoft Internet Explorer' ) return ieVers;
  var tempVers = navigator.appVersion;
  var i = tempVers.indexOf( 'MSIE ' );
  if( i >= 0 ) {
    tempVers = tempVers.substring( i+5 );
    ieVers = parseFloat( tempVers ); 
  }
  return ieVers;
}


function moveYbySlicePos (y, imgname) {
  var img = FIND(imgname) || document.images[imgname] || document.links[imgname] || document.anchors[imgname];
  if(!document.layers) {
    var onWindows = navigator.platform ? navigator.platform == "Win32" : false;
    var macIE45 = document.all && !onWindows && getExplorerVersion() == 4.5;
    var par = img;
    var lastOffset = 0;
    while(par){
      if( par.topMargin && !onWindows ) y += parseInt(par.topMargin);
      if( (par.offsetTop != lastOffset) && par.offsetTop ) y += parseInt(par.offsetTop);
      if( par.offsetTop != 0 ) lastOffset = par.offsetTop;
      par = macIE45 ? par.parentElement : par.offsetParent;
    }    
  } else if (img.y >= 0) y += img.y;
  return y;
}


function startTimeout(){
  mytimerID=setTimeout('hideMenu();',delay);
}

function hideMenu() {
 document.getElementById('dm_solutions').style.visibility = 'hidden';
 document.getElementById('dm_about').style.visibility = 'hidden';
 document.getElementById('dm_partners').style.visibility = 'hidden';
}

//Navigation active states
function active_bt(){
 if (onState == 'home'){
 document.getElementById('home').src = 'images/spacer.gif';
 document.getElementById('solutions').src = 'images/solutions_off.gif';
 document.getElementById('about').src = 'images/about_off.gif';
 document.getElementById('partners').src = 'images/partners_off.gif';
 document.getElementById('news').src = 'images/news_off.gif';
 document.getElementById('contact').src = 'images/contact_off.gif';
 }
 else if (onState == 'solutions'){
 document.getElementById('home').src = 'images/home_off.gif';
 document.getElementById('solutions').src = 'images/solutions_on.gif';
 document.getElementById('about').src = 'images/about_off.gif';
 document.getElementById('partners').src = 'images/partners_off.gif';
 document.getElementById('news').src = 'images/news_off.gif';
 document.getElementById('contact').src = 'images/contact_off.gif';
 } 
 else if (onState == 'about'){
 document.getElementById('home').src = 'images/home_off.gif';
 document.getElementById('solutions').src = 'images/solutions_off.gif';
 document.getElementById('about').src = 'images/about_on.gif';
 document.getElementById('partners').src = 'images/partners_off.gif';
 document.getElementById('news').src = 'images/news_off.gif';
 document.getElementById('contact').src = 'images/contact_off.gif';
 } 
  else if (onState == 'partners'){
 document.getElementById('home').src = 'images/home_off.gif';
 document.getElementById('solutions').src = 'images/solutions_off.gif';
 document.getElementById('about').src = 'images/about_off.gif';
 document.getElementById('partners').src = 'images/partners_on.gif';
 document.getElementById('news').src = 'images/news_off.gif';
 document.getElementById('contact').src = 'images/contact_off.gif';
 } 
 else if (onState == 'news'){
 document.getElementById('home').src = 'images/home_off.gif';
 document.getElementById('solutions').src = 'images/solutions_off.gif';
 document.getElementById('about').src = 'images/about_off.gif';
 document.getElementById('partners').src = 'images/partners_off.gif';
 document.getElementById('news').src = 'images/news_on.gif';
 document.getElementById('contact').src = 'images/contact_off.gif';
 } 
 else if (onState == 'contact'){
 document.getElementById('home').src = 'images/home_off.gif';
 document.getElementById('solutions').src = 'images/solutions_off.gif';
 document.getElementById('about').src = 'images/about_off.gif';
 document.getElementById('partners').src = 'images/partners_off.gif';
 document.getElementById('news').src = 'images/news_off.gif';
 document.getElementById('contact').src = 'images/contact_on.gif';
 } 
 else if (onState == 'sitemap'){
 document.getElementById('home').src = 'images/home_off.gif';
 document.getElementById('solutions').src = 'images/solutions_off.gif';
 document.getElementById('about').src = 'images/about_off.gif';
 document.getElementById('partners').src = 'images/partners_off.gif';
 document.getElementById('news').src = 'images/news_off.gif';
 document.getElementById('contact').src = 'images/contact_off.gif';
 }
 else if (onState == 'search'){
 document.getElementById('home').src = 'images/home_off.gif';
 document.getElementById('solutions').src = 'images/solutions_off.gif';
 document.getElementById('about').src = 'images/about_off.gif';
 document.getElementById('partners').src = 'images/partners_off.gif';
 document.getElementById('news').src = 'images/news_off.gif';
 document.getElementById('contact').src = 'images/contact_off.gif';
 }
 }