function Initialize()
{
    document.getElementById('one').style.backgroundImage="";
    document.getElementById('two').style.backgroundImage="";
    document.getElementById('three').style.backgroundImage="";
    document.getElementById('four').style.backgroundImage="";
    document.getElementById('five').style.backgroundImage="";
    document.getElementById('six').style.backgroundImage="";
    document.getElementById('seven').style.backgroundImage="";
    document.getElementById('eight').style.backgroundImage="";
    document.getElementById('nine').style.backgroundImage="";
} 
function setDisSynthesizeNews(backdiv,imgurl)
{
    Initialize();
    document.getElementById(backdiv).style.backgroundImage="url('"+imgurl+"')";
}