var highlightTimeout = 7000;
var NumOfHighlights = 3;
var highlightNo = 0;
var opacityDelta = 100;
var saveDiv1 = "subnavtop_conditions";
var saveDiv2 = "subnav_conditions";

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];}}
}

function showHomeGraphic() {
    document.getElementById('homeGraphic').style.visibility = 'visible';
    fadeInDiv('homeTextGraphic', '', 0);
    setTimeout("showHomeText()", 2000);
}

function showHomeText() {
    document.getElementById('homeText').style.visibility = 'visible';
    fadeInDiv('homeTextHolder', '', 0);
}

function showPic1() {
    document.getElementById('pic1').style.visibility = 'visible';
    fadeOutDiv('picHolder3', 'pic3', 100);
    fadeInDiv('picHolder1', '', 0);
    setTimeout("showPic2()", 5000);
}

function showPic2() {
    document.getElementById('pic2').style.visibility = 'visible';
    fadeOutDiv('picHolder1', 'pic1', 100);
    fadeInDiv('picHolder2', '', 0);
    setTimeout("showPic3()", 5000);
}

function showPic3() {
    document.getElementById('pic3').style.visibility = 'visible';
    fadeOutDiv('picHolder2', 'pic2', 100);
    fadeInDiv('picHolder3', '', 0);
    setTimeout("showPic1()", 5000);
}

function fadeInDiv(divId, picId, opacity) {
  if (opacity <= 100) {
	setOpacity(divId, picId, opacity);
	opacity += 5;
	window.setTimeout("fadeInDiv('"+divId+"','"+picId+"',"+opacity+")", 100);
  }
}

function fadeOutDiv(divId, picId, opacity) {
  if (opacity > 0) {
	setOpacity(divId, picId, opacity);
	opacity -= 5;
	window.setTimeout("fadeOutDiv('"+divId+"','"+picId+"',"+opacity+")", 100);
  }
}

function setOpacity(divId, picId, opacity) {
  var div = document.getElementById(divId);
  div.style.visibility = 'visible';
  opacity = (opacity == 100)?99.999:opacity;
  div.style.filter = "alpha(opacity:"+opacity+")";
  div.style.KHTMLOpacity = opacity/100;
  div.style.MozOpacity = opacity/100;
  div.style.opacity = opacity/100;
  if (picId != '') {
     if (opacity == 0) {
       document.getElementById(picId).style.visibility = 'hidden';
     }
  }

}

function openWindow (url, winName, popWidth, popHeight) {
		var horizPos = (screen.availWidth - popWidth)/ 2;
		var vertPos = ((screen.availHeight - popHeight)/ 2) + 30;
		window.open(url, winName, "width=" + popWidth + ", height=" + popHeight + ", resizable=no, top=" + vertPos + ", left=" + horizPos + ", scrollbars=no, status=no");
}

function hideDivs(divId1,divId2) {
    document.getElementById(divId1).style.visibility = 'hidden';
    document.getElementById(divId2).style.visibility = 'hidden';
}

function hideDivs2() {
    document.getElementById(saveDiv1).style.visibility = 'hidden';
    document.getElementById(saveDiv2).style.visibility = 'hidden';
}

function showDivs(divId1,divId2) {
    hideDivs(saveDiv1,saveDiv2);
    document.getElementById(divId1).style.visibility = 'visible';
    document.getElementById(divId2).style.visibility = 'visible';
    saveDiv1 = divId1;
    saveDiv2 = divId2;
}

function newWindow(pageHTML,pageName) {
	popupWindow=window.open(pageHTML,pageName,"height=570,width=707,resizable=yes,scrollbars=yes,toolbar=yes,menubar=yes,left=20,top=20")
}