var setGradient = (function(){ 
    var p_dCanvas = document.createElement('canvas'); 
    var p_useCanvas = !!( typeof(p_dCanvas.getContext) == 'function'); 
    var p_dCtx = p_useCanvas?p_dCanvas.getContext('2d'):null; 
    var p_isIE = /*@cc_on!@*/false; 
try{ p_dCtx.canvas.toDataURL() }catch(err){ 
p_useCanvas = false ; 
}; 
    if(p_useCanvas){ 
     return function (dEl , sColor1 , sColor2 , bRepeatY ){ 
            if(typeof(dEl) == 'string') dEl = document.getElementById(dEl); 
            if(!dEl) return false; 
            var nW = dEl.offsetWidth; 
            var nH = dEl.offsetHeight; 
            p_dCanvas.width = nW; 
            p_dCanvas.height = nH; 
            var dGradient; 
            var sRepeat; 
            if(bRepeatY){ 
                dGradient = p_dCtx.createLinearGradient(0,0,nW,0); 
                sRepeat = 'repeat-y'; 
            }else{ 
                dGradient = p_dCtx.createLinearGradient(0,0,0,nH); 
                sRepeat = 'repeat-x'; 
            }         
             
            dGradient.addColorStop(0,sColor1); 
            dGradient.addColorStop(1,sColor2);                 
             
            p_dCtx.fillStyle = dGradient ; 
            p_dCtx.fillRect(0,0,nW,nH); 
            var sDataUrl = p_dCtx.canvas.toDataURL('image/png'); 
             
            with(dEl.style){ 
                backgroundRepeat = sRepeat; 
                backgroundImage = 'url(' + sDataUrl + ')'; 
                backgroundColor = sColor2; 
            }; 
     } 
    }else if(p_isIE){ 
         
        p_dCanvas = p_useCanvas = p_dCtx = null;         
        return function (dEl , sColor1 , sColor2 , bRepeatY){ 
            if(typeof(dEl) == 'string') dEl = document.getElementById(dEl); 
            if(!dEl) return false; 
            dEl.style.zoom = 1; 
            var sF = dEl.currentStyle.filter; 
            dEl.style.filter += ' ' + ['progid:DXImageTransform.Microsoft.gradient(    GradientType=', +(!!bRepeatY ),',enabled=true,startColorstr=',sColor1,', endColorstr=',sColor2,')'].join(''); 
    }; 
     
    }else{ 
        p_dCanvas = p_useCanvas = p_dCtx = null; 
        return function(dEl , sColor1 , sColor2 ){ 
             
            if(typeof(dEl) == 'string') dEl = document.getElementById(dEl); 
            if(!dEl) return false; 
            with(dEl.style){ 
             backgroundColor = sColor2; 
            }; 
        } 
    } 
})();