window.open not working in IE10

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HTML

window.open function is working in all browsers except IE10 how to solve this issue?

function Button1_onclick() {
var w
if(window.screen.width==1366 && window.screen.height==768)
{
window.open("Login.aspx","Welcome","titlebar=0,fullscreen=0,addressbar=0,left=0,top=0,maximized=yes,width=1366,height=768,scrollbars=yes,resizable=yes,statusbar=1")
}
}