if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  if (myWidth < 481) {
  document.write('<link rel="stylesheet" type="text/css" href="/include/smallscreen.css">');
	} else {
	  document.write('<link href="/include/StyleSheet.css" rel="stylesheet" type="text/css" />');
    }
    
    
function myPopUp(l_url) {
    window.open(l_url,'_popup','width='+myWidth+',height=580,resizable=yes, scrollbars=yes');
    return false
}