// JavaScript Document

// array of "off" images
offImages = new Array();
offImages[0] = "images/samples/thumbnails/1off.png";
offImages[1] = "images/samples/thumbnails/2off.png";
offImages[2] = "images/samples/thumbnails/3off.png";
offImages[3] = "images/samples/thumbnails/4off.png";


// array of "over" images
overImages = new Array();
overImages[0] = "images/samples/thumbnails/1ovr.png";
overImages[2] = "images/samples/thumbnails/2ovr.png";
overImages[3] = "images/samples/thumbnails/3ovr.png";
overImages[4] = "images/samples/thumbnails/4ovr.png";
overImages[5] = "images/home_rollovers/portfolio-on.png";
overImages[6] = "images/home_rollovers/services-on.png";
overImages[7] = "images/home_rollovers/contact-on.png";


// array of "on" images
onImages = new Array();
onImages[0] = "images/samples/thumbnails/1on.png";
onImages[2] = "images/samples/thumbnails/2on.png";
onImages[3] = "images/samples/thumbnails/3on.png";
onImages[4] = "images/samples/thumbnails/4on.png";


// this function is called on page load
// it preloads all the over and on images for faster swap response time
function preloadImages() 
{
	var i=0;

	objImage = new Image();

	for	(i=1; i<=overImages.length; i++)
	{
		objImage.src = overImages[i];
	}

	for	(i=1; i<=onImages.length; i++)
	{
		objImage.src = onImages[i];
	}

}


function swapHomeImage(btn) {
	//alert("rollover!");
	document.images[btn+'Btn'].src="images/home_rollovers/"+btn+"-on.png";
	
}

function swapHomeImageRestore(btn) {
	document.images[btn+'Btn'].src="images/home_rollovers/"+btn+"-off.png";
	
}




function showBrackets(n) {
	document.getElementById("openBracket"+n).style.visibility = "visible";
	document.getElementById("closeBracket"+n).style.visibility = "visible";
}

function hideBrackets(n) {
	document.getElementById("openBracket"+n).style.visibility = "hidden";
	document.getElementById("closeBracket"+n).style.visibility = "hidden";
}

var selection = 1;

function swapImage(btnID) {
							if (selection!=btnID) {
					 document.images['thumb'+btnID].src="images/samples/thumbnails/"+btnID+"ovr.png";
					 		}
					 }

function swapImgRestore(btnID) {
							//alert("selection is "+selection);
							if (btnID!=selection) {
													document.images['thumb'+btnID].src="images/samples/thumbnails/"+btnID+"off.png";	
													}
								}
							

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 enlarge(pix,btnID) {document.images['large'].src=pix;
						if (btnID==1) { selection = 1;
										 document.images['thumb1'].src="images/samples/thumbnails/1on.png";
										 document.images['thumb2'].src="images/samples/thumbnails/2off.png";
										 document.images['thumb3'].src="images/samples/thumbnails/3off.png";
										 document.images['thumb4'].src="images/samples/thumbnails/4off.png";
									   }
						if (btnID==2) { selection = 2;
										 document.images['thumb1'].src="images/samples/thumbnails/1off.png";
									     document.images['thumb2'].src="images/samples/thumbnails/2on.png";
										 document.images['thumb3'].src="images/samples/thumbnails/3off.png";
										 document.images['thumb4'].src="images/samples/thumbnails/4off.png";
										}
						if (btnID==3) { selection = 3;
										 document.images['thumb1'].src="images/samples/thumbnails/1off.png";
									     document.images['thumb2'].src="images/samples/thumbnails/2off.png";
										 document.images['thumb3'].src="images/samples/thumbnails/3on.png";
										 document.images['thumb4'].src="images/samples/thumbnails/4off.png";
										}
						if (btnID==4) { selection = 4;
										 document.images['thumb1'].src="images/samples/thumbnails/1off.png";
									     document.images['thumb2'].src="images/samples/thumbnails/2off.png";
										 document.images['thumb3'].src="images/samples/thumbnails/3off.png";
										 document.images['thumb4'].src="images/samples/thumbnails/4on.png";
										}
						}