function windowWidth() {
    var windowWidth = 0;
    //windowWidth = (window.innerWidth!=null)?window.innerWidth:document.body.offsetWidth;
    windowWidth = 760;
    display_pics = windowWidth/120;
    display_pics = Math.round(display_pics)-1;
    return display_pics;
    }

function openTargetWindow(anker){
    if(navigator.userAgent.lastIndexOf("MSIE") >0){
        homepage = window.open(anker.href,'windowName','width=1024,height=764,left=300, location, menubar, scrollbars, status, toolbar, resizable=yes');
    } else {
         homepage = window.open(anker.href,anker.href,'width=1024,height=764,left=300, location, menubar, scrollbars, status, toolbar, resizable=yes');
    }
    homepage.focus();
}