function popUp(url){
window.open(url,'main','scrollbars=yes,menubar=no,location=no,toolbar=no,resizable=no,status=yes,width=760,height=690')
}

function landscape(url){
window.open(url,'main','scrollbars=no,menubar=no,location=no,toolbar=no,resizable=no,status=yes,width=427,height=349,left=0,top=0')
}

function portrait(url){
window.open(url,'main','scrollbars=yes,menubar=no,location=no,toolbar=no,resizable=no,status=yes,width=350,height=350,width=350,height=350,left=0,top=0')
}