extjs4.1 - How to set the column layout in ext4.1 -

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i have problem extjs 4.1 layout.

how set column layout panel in ext 4.1.

in mozilla working fine.

but in ie, not rendering , moreover, ie trying close.

the sample code is,

          var panel1 = getpanel1();           var panel2 = getpanel2();           var panel3 = ext.create('ext.panel',{            layout:{type:'table',columns:2},            title:'panel3',            items:[panel1,panel2],            renderto:ext.getbody()           });

please give me solution render panels in columns in ext4.1 ....

a way know works because in code use hbox layout. believe equivalent layout example:

var panel1 = getpanel1();//make sure panel contains flex: .5 var panel2 = getpanel2();//make sure panel contains flex: .5 var panel3 = ext.create('ext.panel',{    layout:{type:'hbox'},    title:'panel3',    items:[panel1,panel2],    renderto:ext.getbody() });

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