function open_popup(url)  { win2=window.open(url,"","toolbar=1,location=1,status=1,menubar=1,scrollbars=1,resizable=1,width=750,height=400,left=0,top=0")};
function open_popup2(url) { win2=window.open(url,"","toolbar=1,location=1,status=1,menubar=1,scrollbars=1,resizable=1,width=680,height=400,left=0,top=0")};
function open_popup3(url) { win2=window.open(url,"","toolbar=1,location=0,status=1,menubar=1,scrollbars=1,resizable=1,width=100,height=100,left=5,top=5")};
function open_popup4(url) { win2=window.open(url,"","toolbar=1,location=0,status=0,menubar=,scrollbars=0,resizable=0,width=250,height=270,left=5,top=5")};
function open_popup5(url)  { win2=window.open(url,"","toolbar=1,location=1,status=1,menubar=1,scrollbars=1,resizable=1,width=750,height=400,left=0,top=0")};