var oldView = "bullet01";

function switchPress(imgName,articleNo){
	imageId = 'press_image';
	image = document.getElementById(imageId);
	image.src = "../../_imgs/trans.gif";
	image.src="../../_imgs/press/"+imgName+".jpg"
	
	document.getElementById(oldView).style.visibility = "hidden";

	document.getElementById(articleNo).style.visibility = "visible";

	oldView=articleNo;
}