//the following two arrays are used 
//for both the random image generation
//and the slide show.

//images array
var hpImage = new Array();
hpImage[0] = 'fall16.jpg' //superior edge tire
hpImage[1] = 'winter4.jpg' //lounge
hpImage[2] = 'winter1.jpg' //technology
hpImage[3] =  'winter0.jpg' //hockey
hpImage[4] = 'winter5.jpg' //nursing
hpImage[5] = 'winter6.jpg' //study girl
hpImage[6] = 'winter2.jpg' //presque hike
hpImage[7] = 'winter9.jpg' //northwind
hpImage[8] = 'winter10.jpg' //dorm
hpImage[9] = 'winter12.jpg' //ski
hpImage[10] = 'winter11.jpg'  //helpdesk
hpImage[11] = 'winter15.jpg' //peif
hpImage[12] = 'fall17.jpg'  //superior edge beach
hpImage[13] = 'winter13.jpg' //snowman
hpImage[14] = 'winter8.jpg' //basketball
hpImage[15] = 'winter16.jpg' //teaching
hpImage[14] = 'winter7.jpg' //bike
hpImage[9] = 'winter17.jpg' //ski faces
hpImage[3] = 'winter18.jpg' //starbucks



//captions array
var hpImageCaption = new Array();
hpImageCaption[0] = 'Citizenship, one of the four edges in the <a href=\"http://www.nmu.edu/superioredge\">Superior Edge</a> program.'
hpImageCaption[1] = 'Community areas around campus are the perfect places to gather with friends.'
hpImageCaption[2] = 'A small student-to-faculty ratio makes NMU the natural choice.'
hpImageCaption[3] = 'Another season of <a href=\"http://webb.nmu.edu/SportsAthletics/Sports/MensHockey/Home.shtml\">Wildcat hockey</a> is under way.'
hpImageCaption[4] = 'NMU\'s School of Nursing offers programs from the certificate level to graduate degree.'
hpImageCaption[5] = 'Books can be paid for. Roommates can be changed. Grades, however, have to be earned.'
hpImageCaption[6] = 'Just minutes from campus, Presque Isle Park offers plenty of trails for hiking, snowshoeing or skiing.'
hpImageCaption[7] = 'NMU\'s student newspaper, <em>The North Wind</em>, has been keeping the campus informed since 1972.'
hpImageCaption[8] = 'Time to rearrange your dorm?  Plan it out at <a href=myroom>www.nmu.edu/myroom</a>.'
hpImageCaption[9] = 'Wildcats prowling through the snow is a familiar sight for the season.'
hpImageCaption[10] = 'The NMU HelpDesk keeps <a href=\"academics/tlc.htm\">TLC</a> notebook computers up and running.'
hpImageCaption[11] = 'Sweat away the winter months in the <a href=\"http://webb.nmu.edu/SportsRecSports/SiteSections/Facilities/PEIF.shtml\">PEIF</a>.'
hpImageCaption[12] = 'Learn to live a life that matters with the <a href=\"http://www.nmu.edu/superioredge\">Superior Edge</a>.'
hpImageCaption[13] = 'NMU\'s Winterfest is a yearly celebration of the season.'
hpImageCaption[14] = 'At home on the hardwood, the NMU Wildcats are clawing their way through another season.' 
hpImageCaption[15] = 'Future teachers truly get hands-on experience at Northern.'
hpImageCaption[14] = 'Some bicycles do not hibernate for the winter.'
hpImageCaption[9] = 'Marquette is a year-round playground for outdoor enthusiasts.'
hpImageCaption[3] = 'A campus-wide wireless network connects students both in and out of the classroom.'



//these ALTs were used to stop the problem with links and alt text
var hpAltCheck = new Array();
hpAltCheck[0] = 'Citizenship, one of the four edges in the Superior Edge program.'
hpAltCheck[1] = 'Community areas around campus are the perfect places to gather with friends.'
hpAltCheck[2] = 'A small student-to-faculty ratio makes NMU the natural choice.'
hpAltCheck[3] = 'Another season of Wildcat hockey is underway at the Berry Events Center.'
hpAltCheck[4] = 'NMU\'s School of Nursing offers programs from the certificate level to graduate degree.'
hpAltCheck[5] = 'Books can be paid for. Roommates can be changed. Grades, however, have to be earned.'
hpAltCheck[6] = 'Just minutes from campus, Presque Isle Park offers plenty of trails for hiking, snowshoeing or skiing.'
hpAltCheck[7] = 'NMU\'s student newspaper, The North Wind, has been keeping the campus informed since 1972.'
hpAltCheck[8] = 'Time to rearrange your dorm?  Plan it out at <a href=myroom>www.nmu.edu/myroom</a>.'
hpAltCheck[9] = 'Wildcats prowling through the snow is a familiar sight for the season.'
hpAltCheck[10] = 'The NMU HelpDesk keeps TLC notebook computers up and running.'
hpAltCheck[11] = 'Sweat away the winter months in the PEIF.'
hpAltCheck[12] = 'Learn to live a life that matters with the Superior Edge.'
hpAltCheck[13] = 'NMU\'s Winterfest is a yearly celebration of the season.'
hpAltCheck[14] = 'At home on the hardwood, the NMU Wildcats are clawing their way through another season.' 
hpAltCheck[15] = 'Future teachers truly get hands-on experience at Northern.'
hpAltCheck[16] = 'Some bicycles do not hibernate for the winter.'
hpAltCheck[17] = 'Marquette is a year-round playground for outdoor enthusiasts.'
hpAltCheck[18] = 'A campus-wide wireless network connects students both in and out of the classroom.' 




//end image arrays

//start random image on page load
var j = 0;
var p = hpImage.length;
/*
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image();
   preBuffer[i].src = "images/homepage/"+hpImage[i];
}
*/
var whichImage = Math.round(Math.random()*(p-1));

function showImage(){
   document.write('<img name="hpImage" src="images/homepage/'+hpImage[whichImage]+'" alt="'+hpAltCheck[whichImage]+'">');
}
function showCaption(){
   document.write(hpImageCaption[whichImage]);
}
// end random image on page load


//start slide show
var thePic = whichImage;

function goback() {
    if (document.images && thePic < 1) {
		thePic = p + 1;
	}
	thePic--
	document.hpImage.src='images/homepage/'+hpImage[thePic]
	document.getElementById('caption').innerHTML = hpImageCaption[thePic];
}

function goforward() {
    if (document.images && thePic == p-1) {
		thePic = -1;
	}
	thePic++
	document.hpImage.src='images/homepage/'+hpImage[thePic]
	document.hpImage.alt=hpImageCaption[thePic];
	document.getElementById('caption').innerHTML = hpImageCaption[thePic]+"&nbsp;&nbsp;";
}
//end slide show