function preloadImages() { 
  var d=document; if(d.images){ if(!d.pix) d.pix=new Array();
    var i,j=d.pix.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.pix[j]=new Image; d.pix[j++].src=a[i];}}
}

var popUpWin=0;

function showImage(URLStr, left, top, width, height){
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

function toggleTab(objectID) {
	var object = document.getElementById(objectID);
	if (object.style.display == 'block') {
		object.style.display = 'none';
	} else {
		object.style.display = 'block';
	}
	return;
}

function toggleGallery() {
	var rightcolumn = document.getElementById("rightcolumn");
	var rightcolumnheader = document.getElementById("rightcolumnheader");
	var insiderightcolumn = document.getElementById("insiderightcolumn");
	if(rightcolumn.style.top != "440px") {
		//hide
		rightcolumn.style.top = "440px";
		rightcolumn.style.height = "230px";
		insiderightcolumn.style.height = "200px";
		rightcolumnheader.style.background = "url(images/gallerytitle2.gif)";		
		rightcolumnheader.style.backgroundColor = "#D6600B";
	}	
	else {
		//show
		rightcolumn.style.top = "200px";
		rightcolumn.style.height = "480px";
		insiderightcolumn.style.height = "450px";
		rightcolumnheader.style.background = "url(images/gallerytitle.gif)";		
		rightcolumnheader.style.backgroundColor = "#D6600B";
	}
}

function displayMainGraphic(imageName) {
	var mainimage = document.getElementById("maingraphic");	
	mainimage.style.background = "url('" + imageName + "') no-repeat top right scroll";		
	mainimage.style.backgroundColor = "white";
}

function toggleInfo(objectID, range) {
	var closeInfo;	
	var objectInfo;
	var i;

	for (i = 1; i < range + 1; i++) {
		objectInfo = 'info' + i;
		closeInfo = document.getElementById(objectInfo);				
		closeInfo.style.display = 'none';
	}

	var object = document.getElementById(objectID);
	if (object.style.display == 'block') {
		object.style.display = 'none';
	} else {
		object.style.display = 'block';
	}
	return;
}