function Show(fname, width, height) {
	if (screen.height<=550 && screen.width<=700) {
		document.location = fname;
	} else {
		if(!height) height = 800;
		if(!width) width = 600;
		newHeight = height + 20;
		PopupWin = window.open(fname, "_blank", "height="+newHeight+",width="+width+",menubar=no,status=no,titlebar=no,toolbar=no,location=no,resizable=no,scrollbars=yes"); }
	return false;
}

/* Browser Window Size and Position */
function pageWidth() { 
  return window.innerWidth != null ? window.innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;
}

function pageHeight() {
  return window.innerHeight != null ? window.innerHeight : document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body != null ? document.body.clientHeight : null;
}

function posLeft() {
  return typeof window.pageXOffset != 'undefined' ? window.pageXOffset : document.documentElement && document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ? document.body.scrollLeft : 0;
}

function posTop() {
  return typeof window.pageYOffset != 'undefined' ? window.pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ? document.body.scrollTop : 0;
}

function posRight() {
  return posLeft() + pageWidth();
}

function posBottom() {
  return posTop() + pageHeight();
}

/* Mouse Position */
function getNsMouseXY(e) {
  if (document.getElementById && !document.all) {
    nsmousepos.pageX = e.pageX;
    nsmousepos.pageY = e.pageY;
    nsmousepos.clientX = e.clientX;
    nsmousepos.clientY = e.clientY; 
  }
}

function ietruebody() {
  return (document.compatMode && document.compatMode != 'BackCompat') ? document.documentElement : document.body;
}

function getMouseX() {
  return (document.getElementById && ! document.all) ? nsmousepos.pageX : event.x + ietruebody().scrollLeft;
}

function getMouseY() {
  return (document.getElementById && ! document.all) ? nsmousepos.pageY : event.y + ietruebody().scrollTop;
}

/* Show alexa preview */
function showPic( item_url ) {
  var picMouseMarginX = 20;
  var picMouseMarginY = 40;

  var myDiv = document.getElementById( 'divPic' );

  var x = getMouseX() + picMouseMarginX;
  var y = getMouseY() - picMouseMarginY;

  if ( myDiv.style.visibility == 'hidden' ) {
    myDiv.style.visibility = 'visible';
    myDiv.innerHTML = '<img src="http://pthumbnails.alexa.com/image_server.cgi?size=big&amp;url='+item_url+'">';
  }

  y = ( y < 0 ) ? 0 : y;
  myDiv.style.top  = y + 'px';
  myDiv.style.left = x + 'px';
}

/* Show rate banner */
function showBan( item_id ) {
  var rateBannerWidth = 130;
  var rateBannerHeight = 150;
  var rateBannerMouseMarginX = 20;
  var rateBannerMouseMarginY = 40;
  var x = 0;
  var y = 0;
  
  var myDiv = document.getElementById( 'divPic' );
  
  var mouseX = getMouseX();
  var maxPosRight = mouseX + rateBannerWidth + rateBannerMouseMarginX;
  if ( maxPosRight > posRight() ) {
    x = mouseX - rateBannerWidth - rateBannerMouseMarginX;
  } else {
    x = mouseX + rateBannerMouseMarginX;
  }
  
  var mouseY = getMouseY();
  var maxPosTop = mouseY - rateBannerMouseMarginY;
  var maxPosBottom = mouseY + rateBannerHeight - rateBannerMouseMarginY;
  if ( maxPosTop < posTop() ) {
    y = posTop() + 2;
  } else if ( maxPosBottom > posBottom() ) {
    y = posBottom() - rateBannerHeight - 2;
  } else {
    y = mouseY - rateBannerMouseMarginY;
  }
  
  if ( myDiv.style.visibility == 'hidden' ) {
    myDiv.style.visibility = 'visible';
    var timestamp =  new Date().getTime();
    myDiv.innerHTML = '<img src="index.php?a=image&lid='+item_id+'">';
  }

  y = ( y < 0 ) ? 0 : y;
  myDiv.style.top  = y + 'px';
  myDiv.style.left = x + 'px';
}

/* Hide image */
function hideImg() {
  var myDiv = document.getElementById( 'divPic' );
  myDiv.style.visibility = 'hidden';
  myDiv.innerHTML = '';
}

/* Start global section */
if (document.getElementById && !document.all) {
  var nsmousepos = new Object();
  nsmousepos.pageX = 0;
  nsmousepos.pageY = 0;
  nsmousepos.clientX = 0;
  nsmousepos.clientY = 0;
}

document.onmousemove = getNsMouseXY;