//essaybutton.js
//
//check if browser is capable, NS3+, IE4+
if (document.images) {
//preload images
//base image
img1N= new Image(140,40) ;
img1N.src= '../images/home_0.gif' ;
//hover or rollover image
img1H= new Image(140,40) ;
img1H.src= '../images/home_1.gif' ;

//base image
img2N= new Image(140,40);
img2N.src= '../images/who_0.gif' ;
//hover or rollover image
img2H= new Image(140,40) ;
img2H.src= '../images/who_1.gif' ;
//base image
img3N= new Image(140,40) ;
img3N.src= '../images/comment_0.gif' ;
//hover or rollover image
img3H= new Image(140,40) ;
img3H.src= '../images/comment_1.gif' ;

//button down image
img0D= new Image(140,40) ;
img0D.src= '../images/load.gif' ;

function myOn(myImgName) {
//we need to name the image in the BODY
//so we can use its name here
document[myImgName].src=eval(myImgName+ 'H' ).src;
}
function myOut(myImgName) {
document[myImgName].src=eval(myImgName+ 'N' ).src;
}
function myDown(myImgName) {
document[myImgName].src=img0D.src;
}
} //end of if document.images