var ipath = "main_images/navigation/btn_";
var oipath = "main_images/navigation/over_buttons/btn_";

var over_imgs = new Array();
for (var x=0;x<18;x++) {over_imgs[x] = new Image();}

over_imgs[0].src = oipath+"arts.gif";
over_imgs[1].src = oipath+"sciences.gif";
over_imgs[2].src = oipath+"humanities.gif";
over_imgs[3].src = oipath+"social_sciences.gif";
over_imgs[4].src = oipath+"feature_stories.gif";
over_imgs[5].src = oipath+"hoos_news.gif";
over_imgs[6].src = oipath+"around_grounds.gif";
over_imgs[7].src = oipath+"columns.gif";
over_imgs[8].src = oipath+"book_reviews.gif";
over_imgs[9].src = oipath+"gallery.gif";
over_imgs[10].src = oipath+"email_story_bulletin.gif";
over_imgs[11].src = oipath+"forum.gif";
over_imgs[12].src = oipath+"surveys.gif";
over_imgs[13].src = oipath+"stats.gif";
over_imgs[14].src = oipath+"calendar.gif";
over_imgs[15].src = oipath+"topic_descr.gif";
over_imgs[16].src = oipath+"section_descr.gif";
over_imgs[17].src = oipath+"extra_descr.gif";

var lnk_msgs = new Array();

lnk_msgs[0] = "all the arts-related A&S content in one place";
lnk_msgs[1] = "all the sciences-related A&S content in one place";
lnk_msgs[2] = "all the humanities-related A&S content in one place";
lnk_msgs[3] = "all the social sciences-related A&S content in one place.";
lnk_msgs[4] = "in depth articles from the College and Graduate School";
lnk_msgs[5] = "the people of Arts & Sciences: faculty, students and alumni";
lnk_msgs[6] = "news briefs, light features and achievements";
lnk_msgs[7] = "letters, U.Va. history and personal opinions";
lnk_msgs[8] = "selected new works by faculty and alumni";
lnk_msgs[9] = "creative expressions: art, writing and multimedia";
lnk_msgs[10] = "a monthly taste of the current content of A&S Online, delivered to you by email.";
lnk_msgs[11] = "the place for A&S readers to express themselves";
lnk_msgs[12] = "an index of currently running polls and surveys in A&S Online and the results of past ones.";
lnk_msgs[13] = "an index of stats about the College and Graduate School";
lnk_msgs[14] = "events for the people of the College and Graduate School";

function swpImg(name,arr_id,state)
{
	for(i=0;i<dis_rollovers.length;i++)
	{
		if(dis_rollovers[i] != name)
		{
			if (state)
			{
				document[name].src = over_imgs[arr_id].src;
			}
			else
			{
				var original = ipath+name+".gif";
				document[name].src = original;
			}
		}	
	}
}

function selJump(targ,selObj,restore)
{
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function stsMsg(arr_idx,show) 
{
	if (show) 
	{
		window.status = lnk_msgs[arr_idx];
	}
	else
	{
		window.status = '';
	}
}

function openBrWindow(theURL,winName,w,h,features) {
  if (features==null) {
  	features = 'status,location,scrollbars,resizable,toolbar,menubar';
  }

  else {  
  	feature_list = new Array('status','location','scrollbars','resizable','toolbar','menubar');
  	feature_arr = new Array();
  
  	fl_len = feature_list.length;
  	idx = 0;
	i=0;
  	while (idx<fl_len) {
  		value = feature_list[idx];
  		if (features.indexOf(value)!=-1) {  			  			
  			feature_arr[i] =  value;
  			i++
  		}	
  		idx++;
  	}

  	features = feature_arr.join(",");
  }

  features += w != '' ? ',width='+w : '';
  features += h != '' ? ',height='+h : '';
 
  window.open(theURL,winName,features); 
}

/*
if (!document.layers&&!document.all) {
	event="test"
}

function showtip(current,e,tindx,name)
{

	if (document.all)
	{
		thetitle=lnk_msgs[tindx].split('<BR>')
		if (thetitle.length>1)
		{
			thetitles=''
			for (i=0;i<thetitle.length;i++)
			{
				thetitles+=thetitle[i]
				current.title=thetitles
			}
		}
		else
		{
			current.title=lnk_msgs[tindx]
		}
	}
	else if (document.layers)
	{
		foo = bar; // implement later
	}
}


function hidetip() 
{
	foo =bar; // implement later
}
*/