//Written by Kevin E. Kohler <kevin at nova dot edu>

//Image swapping on navigation buttons 
//Pre-cache all 'off' button images
 var media_nav_offImgArray = new Array()
 media_nav_offImgArray[0] = new Image(90,20)
 media_nav_offImgArray[1] = new Image(127,20)
 media_nav_offImgArray[2] = new Image(132,20)
 media_nav_offImgArray[3] = new Image(47,20)
 media_nav_offImgArray[4] = new Image(108,20)
 media_nav_offImgArray[5] = new Image(95,20)

//OFF image array -- set 'off' image path for each button
 media_nav_offImgArray[0].src="media_nav/newsroom_off.gif"
 media_nav_offImgArray[1].src="media_nav/pressreleases_off.gif"
 media_nav_offImgArray[2].src="media_nav/photovideo_off.gif"
 media_nav_offImgArray[3].src="media_nav/data_off.gif"
 media_nav_offImgArray[4].src="media_nav/registration_off.gif"
 media_nav_offImgArray[5].src="media_nav/contactus_off.gif"

//Pre-cache all 'on' button images
 var media_nav_onImgArray = new Array()
 
 media_nav_onImgArray[0] = new Image(90,20)
 media_nav_onImgArray[1] = new Image(127,20)
 media_nav_onImgArray[2] = new Image(132,20)
 media_nav_onImgArray[3] = new Image(47,20)
 media_nav_onImgArray[4] = new Image(108,20)
 media_nav_onImgArray[5] = new Image(95,20)

//ON image array -- set 'on' image path for each button
 media_nav_onImgArray[0].src="media_nav/newsroom_on.gif"
 media_nav_onImgArray[1].src="media_nav/pressreleases_on.gif"
 media_nav_onImgArray[2].src="media_nav/photovideo_on.gif"
 media_nav_onImgArray[3].src="media_nav/data_on.gif"
 media_nav_onImgArray[4].src="media_nav/registration_on.gif"
 media_nav_onImgArray[5].src="media_nav/contactus_on.gif"

//functions that swap images and status bar
 function media_nav_imageOn (i) {
     swapdoc="document.mnav" + i + ".src=media_nav_onImgArray[" + i + "].src"
     eval(swapdoc)
 }

 function media_nav_imageOff (i) {
     swapdoc="document.mnav" + i + ".src=media_nav_offImgArray[" + i + "].src"
     eval(swapdoc)
 }

 function media_nav_setMsg (msg) {
             window.status = msg
             return true
 }