arkaplan renk degistir

<script language="JavaScript"> function backbs(clr) { document.bgColor = clr} </script><center> <form> <input type="button" onclick_fckprotectedatt="%20onclick%3D%22backbs('aqua')%22" style="border-bottom: #000080 1px solid; border-left: #000080 1px solid; background-color: #00ffff; border-top: #000080 1px solid; border-right: #000080 1px solid" value="buzmavi" /> <input type="button" onclick_fckprotectedatt="%20onclick%3D%22backbs('yellow')%22" style="border-bottom: #000080 1px solid; border-left: #000080 1px solid; background-color: #ffff00; border-top: #000080 1px solid; border-right: #000080 1px solid" value="sarı" /> <input type="button" onclick_fckprotectedatt="%20onclick%3D%22backbs('red')%22" style="border-bottom: #000080 1px solid; border-left: #000080 1px solid; background-color: #ff0000; border-top: #000080 1px solid; border-right: #000080 1px solid" value="kırmızı" /> <input type="button" onclick_fckprotectedatt="%20onclick%3D%22backbs('black')%22" style="border-bottom: #000080 1px solid; border-left: #000080 1px solid; background-color: #000000; color: #ffff00; border-top: #000080 1px solid; border-right: #000080 1px solid" value="siyah" /> <input type="button" onclick_fckprotectedatt="%20onclick%3D%22backbs('white')%22" style="border-bottom: #000080 1px solid; border-left: #000080 1px solid; background-color: #ffffff; border-top: #000080 1px solid; border-right: #000080 1px solid" value=" beyaz " /> <input type="button" onclick_fckprotectedatt="%20onclick%3D%22backbs('gray')%22" style="border-bottom: #000080 1px solid; border-left: #000080 1px solid; background-color: #808080; border-top: #000080 1px solid; border-right: #000080 1px solid" value=" Gri " /> </form> </center>