var swapimgs = new Array(8)
	var rollimgs = new Array(8)
	for (j=0; j<16; j++) {
		swapimgs[j] = new Image()
		rollimgs[j] = new Image()
	}
	rollimgs[0].src="images/home_wd.gif"
	rollimgs[1].src="images/recruit_wd.gif"
	rollimgs[2].src="images/resource_wd.gif"
	rollimgs[3].src="images/xculture_wd.gif"
	rollimgs[4].src="images/synapsis_wd.gif"
	rollimgs[5].src="images/data_model_wd.gif"
	rollimgs[6].src="images/pc_wd.gif"
	rollimgs[7].src="images/about_wd.gif"
	
	
	function activelink(imgnum, imgnum2) {
		document.images[imgnum2].src = rollimgs[imgnum].src
	}
	
	function inactivelink(imgnum) {
		document.images[imgnum].src="images/blank2.gif"
	}