function popupwindow(link,name, width, height, type, top, left, scrollbars, resizable, status, titlebar, toolbar, menubar) {
if(type=="cscreen"){ var left = (screen.width-width)/2; var top = ((screen.height-height)/2)-50; }
if(type=="fscreen"){ var width = screen.availWidth; var height = screen.availHeight; var top = 0; var left = 0; }
if(type=="nscreen"){ }
window.open(link, name, 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars='+scrollbars+', resizable='+resizable+', status='+status+', titlebar='+titlebar+', toolbar='+toolbar+', menubar='+menubar);
}