// JavaScript Document
// window pop up script 

function openPopUp(url,width,height,runner) {

posW=(screen.width-width)/2;
posH=(screen.height-height)/2;
runnerW= runner ? 30:0;
margin = runner ? 0:0;
  winId = window.open(url,'newwin','scrollbars=yes,left=' + posW +',top=' + posH +',width=' + (width+runner) + ',height=' + (height+runner));
  winId.document.close();
}

//--></script>

//openPopUp('river.jpg',792,612,false);