if(document.images){

        rolloverLogo=new Image()

        rolloverLogo.src="http://www.tufts.edu/vet/scavma/logo-home-hover.gif"

        rolloverOfficers=new Image()

        rolloverOfficers.src="http://www.tufts.edu/vet/scavma/officers-hover.gif"

        rolloverOrganizations=new Image()

        rolloverOrganizations.src="http://www.tufts.edu/vet/scavma/organizations-hover.gif"

        rolloverBylaws=new Image()

        rolloverBylaws.src="http://www.tufts.edu/vet/scavma/bylaws-hover.gif"

        rolloverCalendar=new Image()

        rolloverCalendar.src="http://www.tufts.edu/vet/scavma/calendar-hover.gif"

        rolloverResources=new Image()

        rolloverResources.src="http://www.tufts.edu/vet/scavma/resources-hover.gif"

        rolloverMerchandise=new Image()

        rolloverMerchandise.src="http://www.tufts.edu/vet/scavma/merchandise-hover.gif"

        rolloverAlbum=new Image()

        rolloverAlbum.src="http://www.tufts.edu/vet/scavma/album-hover.gif"

        rolloverSymposium=new Image()

        rolloverSymposium.src="http://www.tufts.edu/vet/scavma/symposium-hover.gif"

        rolloverTusvm=new Image()

        rolloverTusvm.src="http://www.tufts.edu/vet/scavma/tusvm-hover.gif"

        rolloverBottombar1=new Image()

        rolloverBottombar1.src="http://www.tufts.edu/vet/scavma/bottombar1.gif"

        rolloverBottombar2=new Image()

        rolloverBottombar2.src="http://www.tufts.edu/vet/scavma/bottombar2.gif"

        rolloverBottombar3=new Image()

        rolloverBottombar3.src="http://www.tufts.edu/vet/scavma/bottombar3.gif"

}

else{

        alert("no images")

        rolloverLogo=""

        rolloverOfficers=""

        rolloverOrganizations=""

	rolloverBylaws=""

	rolloverCalendar=""

	rolloverResources=""

	rolloverMerchandise=""

	rolloverAlbum=""

	rolloverSymposium=""

	rolloverTusvm=""

	rolloverBottombar1=""

	rolloverBottombar2=""

	rolloverBottombar3=""



}



function buttonUp(name,varName){

        if(document.images){

                document.images[name].src=varName.src

        }

}



function buttonDown(name,imageName){

        if(document.images){

                document.images[name].src=imageName

        }

}





function WM_preloadImages() {



/*

WM_preloadImages()

Loads images into the browser's cache for later use.



Source: Webmonkey Code Library

(http://www.hotwired.com/webmonkey/javascript/code_library/)



Author: Nadav Savio

Author Email: nadav@wired.com

*/



  // Don't bother if there's no document.images

  if (document.images) {

    if (typeof(document.WM) == 'undefined'){

      document.WM = new Object();

    }

    document.WM.loadedImages = new Array();

    // Loop through all the arguments.

    var argLength = WM_preloadImages.arguments.length;

    for(arg=0;arg<argLength;arg++) {

      // For each arg, create a new image.

      document.WM.loadedImages[arg] = new Image();

      // Then set the source of that image to the current argument.

      document.WM.loadedImages[arg].src = WM_preloadImages.arguments[arg];

    }

  }

}