Why my grid header not display in ie 8 ?

I have dhtmlxcommon.js version v.1.2 build 80319 and dhtmlxgrid version 1.5 build 80319.

and i draw grid with follow this code

//-----code include javascript on header -----------------------------------------

    

    

    

    

    

    

    

        

    

//--------------------------------------------------------------------------------------



//------ my dom target ---------------------------------------



//----------------------------------------------------------------





//------ my draw grid code -----------------------------------



    mygrid = new dhtmlXGridObject(‘GirdList’);

mygrid.setImagePath(“css/imgs/”);

mygrid.setHeader(“NUMERO SERIE,CLIENTE,ARTICOLO,NEGOZIO,LINK,DELETE”);

mygrid.setInitWidths(“120,*,150,150,80,80”)

mygrid.setColAlign(“right,left,left,center,center,center”)

mygrid.setColTypes(“ro,ro,ro,ro,link,link”);

mygrid.setColSorting(“int,str,str,str,str,str”);

    mygrid.enablePaging(true,10,3,“pagingArea”,true,“recinfoArea”);

mygrid.enableMultiselect(true)

mygrid.init();

    mygrid.loadXML(url);

//----------------------------------------------------------------



on firefox, IE6 and IE7 is good but on IE8 header is a one box



example on firefox, IE6 and IE7

___________________________________________________________________

| NUMERO SERIE | CLIENTE | ARTICOLO | NEGOZIO | LINK | DELETE |

|||||||



but on IE8 is

_________________________________________________________________

| |

|___________________________________________________________________|



why ?

Unfortunately we cannot reproduce this issue locally. Please try to update your files to the latest one dhtmlx.com/docs/download.shtml