function changebig() {
var width="800px";
var font="14px";
 document.getElementById("newsbox").style.width=width
 document.getElementById("newsbox").style.fontSize=font
 document.getElementById("newsbox").style.height="600px"
 document.getElementById("newsbox").style.backgroundColor ="black"
  document.getElementById("newsbox").style.color ="red"
 

}
function changeback() {
var width="300px";
var font="7px";
 document.getElementById("newsbox").style.width=width
 document.getElementById("newsbox").style.fontSize=font
  document.getElementById("newsbox").style.backgroundColor =""
}