// JavaScript Document

var clickCheck=3; //home image number on nav bar by default

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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 MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function displayGallery(strGalleryName) {
	//make all divs invisible
	//document.getElementById("div_slideshow").style.visibility="hidden";
	document.getElementById("div_home").style.visibility="hidden";
	document.getElementById("div_about").style.visibility="hidden";
	document.getElementById("div_legal").style.visibility="hidden";
	document.getElementById("div_food").style.visibility="hidden";
	document.getElementById("div_consumer").style.visibility="hidden";
	document.getElementById("div_technology").style.visibility="hidden";
	document.getElementById("div_human").style.visibility="hidden";
	document.getElementById("div_stock").style.visibility="hidden";
	document.getElementById("div_comments").style.visibility="hidden";
	
	//show correct div
	document.getElementById(strGalleryName).style.visibility="visible";
	
	//Show footer if home or about us
	if (strGalleryName == "div_home" || strGalleryName == "div_about" || strGalleryName == "div_comments")
	{
	    document.getElementById("div_legal").style.visibility="visible";
	}
}

function rotateAboutImages() {
	//used for about us section. Not in use right now.
	var start = 3000;
	//var interval = 3000;
	setTimeout("document.getElementById('img_about').src = 'images/about_images/_MG_5593_color.jpg';",start);
	//start += interval;
	//setTimeout("document.getElementById('img_about').src = 'images/about_images/_MG_5326_color.jpg';",start);
	//start += interval;
	//setTimeout("document.getElementById('img_about').src = 'images/about_images/_MG_5593_color.jpg';",start);
	//start += interval;
}

function rotateImage() {
	//home page photo rotation function
	var start = 6000;
	var interval = 3000;
	setTimeout("document.getElementById('img_home1').src = 'images/home_images/007_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home3').src = 'images/home_images/009_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home2').src = 'images/home_images/008_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home1').src = 'images/home_images/012_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home3').src = 'images/home_images/010_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home2').src = 'images/home_images/011_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home1').src = 'images/home_images/015_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home3').src = 'images/home_images/014_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home2').src = 'images/home_images/013_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home1').src = 'images/home_images/016_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home3').src = 'images/home_images/018_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home2').src = 'images/home_images/017_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home1').src = 'images/home_images/004_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home3').src = 'images/home_images/006_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home2').src = 'images/home_images/005_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home1').src = 'images/home_images/001_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home3').src = 'images/home_images/003_shd.jpg';",start);
	start += interval;
	setTimeout("document.getElementById('img_home2').src = 'images/home_images/002_shd.jpg';",start);
}

function importXML()
{ 
	//work in progress. Not working yet???
	var req = null; 
	document.getElementById('div_aboutustest').innerHTML="Started...";
	if (window.XMLHttpRequest)
	{
		req = new XMLHttpRequest();
		if (req.overrideMimeType) 
		{
			req.overrideMimeType('text/xml');
		}
	} 
	else if (window.ActiveXObject) 
	{
		try {
			req = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e)
		{
			try {
				req = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
        	}

	req.onreadystatechange = function()
	{ 
		document.getElementById('div_aboutustest').innerHTML="Wait server...";
		if(req.readyState == 4)
		{
			if(req.status == 200)
			{
				// process a XML document here
				var doc = req.responseXML;
				doc.preserveWhiteSpace = false;
				var element = doc.documentElement.firstChild.nodeValue;
				//document.getElementById('div_aboutustest').innerHTML= element;
				//alert(element);
			}	
			else	
			{
				document.getElementById('div_aboutustest').innerHTML="Error: returned status code " + req.status + " " + req.statusText;
			}	
		} 
	}; 
	req.open("GET", "aboutus.xml", true); 
	req.send(null); 
}

function checkImageRollover(strImgId, iImageNo) {
//Checks to see which button has been pressed (active page). If it's already this one, it remains bold, if not it is changed back to plain text
	//alert(clickCheck);
	if(clickCheck!=iImageNo) {
		document.getElementById(strImgId).src = 'images/header_images/photo_head_0'+iImageNo+'.jpg';			
	}
}
    function checkBorder() {
  //first half of code from http://www.howtocreate.co.uk/tutorials/javascript/browserwindow
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
//alert(myHeight + " x "+ myWidth);
var border = document.getElementById("div_border");
    if(myHeight < 700) { //height of border div
        border.style.top="0px";
        border.style.marginTop="0px";
    }
    else {
        border.style.top="50%";
        border.style.marginTop="-351px";
    }
    if(myWidth < 1024) { //width of border div
        border.style.left="0px";
        border.style.marginLeft="0px";
    }
    else {
        border.style.left="50%";
        border.style.marginLeft="-513px";
    }
}
//Script by hscripts.com
//copyright of HIOX INDIA
//more scripts @ http://www.hscripts.com
function dis_rightclickIE(){
if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3))
return false;
}
function dis_rightclickNS(e){
if ((document.layers||document.getElementById&&!document.all) && (e.which==2||e.which==3))
{
return false;
}
}
if (document.layers){
document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=dis_rightclickNS;
}
else if (document.all&&!document.getElementById){
document.onmousedown=dis_rightclickIE;
}
document.oncontextmenu=new Function("return false")