function externalLink() {
	for(i=0;i<document.links.length;i++) {
		var thisLink = document.links[i];
		
		if(thisLink.href.indexOf(document.domain) == -1) {
			thisLink.title += " (Opens in new window)";
			
			thisLink.onclick = function() {
				if(window.open(this.href,"newWindow")) 	return false;
				else return false;
				}
			thisLink.onkeypress = function() {
				if(window.open(this.href,"newWindow")) 	return false;
				else return false;
				}
			}
		}
	}

function loadData(projectID,imageID) {
	document.getElementById("mainImg").src = imageSet[projectID][imageID];
	
	var descImgHTML = new Array();
	for(var i=0;i<imageSet[projectID].length;i++) {
		descImgHTML[i] = '<a href="javascript:loadData('+ projectID +','+ i +');">'+ (i+1) +'</a>';
	}
	document.getElementById('portfolioIndex').innerHTML = descImgHTML.join(' <span style="color:#CCCCCC;">|</span> ');
	document.getElementById('portfolioDesc').innerHTML = descSet[projectID];
}
	
slideMenu.Registry = [];

function slideMenu(id,numLines) {
	slideMenu.Registry[id] = [];
	slideMenu.Registry[id]['height']       = 1;
	slideMenu.Registry[id]['containerObj'] = document.getElementById(id+"Container");
	slideMenu.Registry[id]['contentObj']   = document.getElementById(id+"Content");
	//slideMenu.Registry[id]['maxHeight']    = new Number((numLines * slideMenu.lineHeight) + 2);
	slideMenu.Registry[id]['maxHeight']    = (slideMenu.Registry[id]['containerObj'].scrollHeight * numLines) - (numLines - 1);
	slideMenu.Registry[id]['interval']     = null;
	slideMenu.Registry[id]['timeout']      = null;
	
	slideMenu.Registry[id]['contentObj'].style.height  = '1px';
	
	// slide down events
	slideMenu.Registry[id]['containerObj'].onmouseover = function() { slideMenu.showMenu(id); }
	slideMenu.Registry[id]['containerObj'].onfocus     = function() { slideMenu.showMenu(id); }
	
	// slide up events
	slideMenu.Registry[id]['containerObj'].onmouseout  = function() { slideMenu.hideMenu(id); }
	slideMenu.Registry[id]['containerObj'].onblur      = function() { slideMenu.hideMenu(id); }
}

slideMenu.showMenu = function(id) {
	clearInterval(slideMenu.Registry[id]['interval']);
		
	slideMenu.Registry[id]['contentObj'].style.display = 'block';
	slideMenu.Registry[id]['contentObj'].style.zIndex += 10;
	
	slideMenu.Registry[id]['interval'] = window.setInterval("slideMenu.slideDown('"+id+"')",1);
}

slideMenu.hideMenu = function(id) {
	clearInterval(slideMenu.Registry[id]['interval']);
	
	slideMenu.Registry[id]['contentObj'].style.zIndex = 10;
	slideMenu.Registry[id]['interval'] = window.setInterval("slideMenu.slideUp('"+id+"')",1);
}

slideMenu.slideDown = function(id) {
	for(var i=0;i<15;i++) {
		if(slideMenu.Registry[id]['height'] >= slideMenu.Registry[id]['maxHeight']) {
			clearInterval(slideMenu.Registry[id]['interval']);
		} else {
			slideMenu.Registry[id]['contentObj'].style.height = slideMenu.Registry[id]['height']+'px';
			slideMenu.Registry[id]['height'] ++;
		}
	}
}

slideMenu.slideUp = function(id) {
	for(var i=0;i<15;i++) {
		if(slideMenu.Registry[id]['height'] <= 1) {
			clearInterval(slideMenu.Registry[id]['interval']);
			slideMenu.Registry[id]['contentObj'].style.display = 'none';
		} else {
			slideMenu.Registry[id]['contentObj'].style.height = slideMenu.Registry[id]['height']+'px';
			slideMenu.Registry[id]['height'] --;
		}
	}
}