var imageFiles_1p5_1 = new Array();
imageFiles_1p5_1['0'] = new Array ('_images/1p5_Ross_Wordhouse.gif', '_images/1p5_Ross_WordhouseMouseover.gif');

function image_on_1p5_1 (position) {
   var doc = eval("document.image1p5_1" + position);
   doc.src = imageFiles_1p5_1[position][1];
}

function image_off_1p5_1 (position) {
   var doc = eval("document.image1p5_1" + position);
   doc.src = imageFiles_1p5_1[position][0];
}