function SymError()
{
  return true;
}

function change_img(imgName,img_name){
	document.images[imgName].src ="img/" + img_name + ".gif";
}

function change_img_jpg(imgName,img_name){
	document.images[imgName].src ="img/" + img_name + ".jpg";
}

function change_img2(jpgName,jpg_name,gifName,gif_name){
	document.images[jpgName].src ="img/" + jpg_name + ".jpg";
	document.images[gifName].src ="img/" + gif_name + ".gif";
}

function MM_openWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}