//FILE: mouse_action.js

var path = "images/";

var departments = new Array(
	new imgBean("http://www.ldeo.columbia.edu", "ldeo"),
	new imgBean("http://eesc.columbia.edu", "dees")
);

var menu = new Array (
	new imgBean("#", "Overview"),
	new imgBean("people/people.html", "People"),
//	new imgBean("facilities/facilities.html", "facilities"),
//	new imgBean("projects/projects.html", "projects"),
	new imgBean("fieldwork/fieldwork.html", "Field Work"),
//	new imgBean("recentphd/recentphd.html", "recentphd")
	new imgBean("handbook/LDEO_Isolab_Handbook.pdf", "Lab Handbook")
);

function imgBean(ref, name) 
{
	this.ref = ref;
	this.name = name;

	return this;
}

function loadImg(arr, open_tag, close_tag)
{
	var out = '';
	var size = arr.length;	

	for(var i=0; i<size; i++) {
		out += open_tag;
 		out =layout(out, arr[i]);
		out += close_tag;
	}
	document.write(out);
}

function loadLeftMenu()
{
	var out = '';
	var size = menu.length;	

	for(var i=0; i<size; i++) {
		out += '<tr><td class="leftCell"><div class="leftMargins"><a class="leftLink" href="' + menu[i].ref + '">' + menu[i].name + '</a></div></td></tr>';				
			
	out += '<tr><td class="leftSeparator" height="1"><img src="images/blank.gif"></td></tr>';
	}
	document.write(out);
}

function layout(out, d)
{	
			out +='<A HREF="'+d.ref+ '"' 
			+  'onmouseover="mouseOver(\''+ d.name + '\')" onmouseout="mouseOut(\''+ d.name + '\')">' 
			+ '<img name="'+ d.name + '" src="'+ path + d.name + '_out.gif" border="0"></a>'; 


	return out;

}

function mouseOut(name)
{
	document[name].src = eval('"' + path + name + '_out.gif"'); 
	return true;
}

function mouseOver(name)
{
	document[name].src = eval('"' + path + name + '_over.gif"'); 
	return true;
}