function replaceVideo(){
	var vimgs = document.getElementsByName('vimg');
	var videoLinks = document.getElementsByName('videolink');
	var length = vimgs.length > 3 ? 3 : vimgs.length;
	for(i=0; i<length; i++){
		var alink = document.getElementById('simg' + i);
		alink.href = "javascript:changePlay('" + videoLinks[i].href + "');";
		alink.innerHTML="<img src='"+vimgs[i].src+"'/>";
	}
}