function slidepop(dir,slidenum)
 {
 hsize = window.screen.availHeight - 30;
 wsize = window.screen.availWidth - 10;
 setvar('zpackage',hsize+'^'+wsize+'^'+dir+'^'+slidenum);
 setvar('zw',0);
 setvar('zh',0);
 popone('newparslidepopup.htm',hsize,wsize,'Slide');
 }