fererer

_ajaxCreateImg: function(dataUrl, startNumber)
    {
        var firstRequest = 0;
        var lastRequest = 0;
        var dataUrlPart = dataUrl.substr(startNumber, this.postSize);
        this.preventUpdate();

        if(startNumber == 0){
            firstRequest = 1;
        }
        if(dataUrl.length < startNumber + this.postSize){
            lastRequest = 1;
        }

        new Ajax.Request(this.createImgUrl, {
            method: 'post',
            asynchronous: true,
            parameters: {
                productId: this.tools.config.product_id,
                reservedImgId: this.reservedImgId,
                pngData      : dataUrlPart,
                lastRequest : lastRequest,
                firstRequest : firstRequest
            },
            onSuccess: function(transport){
                this.allowUpdate();
                if(dataUrl.length >= startNumber + this.postSize){
                    this._ajaxCreateImg(dataUrl, startNumber + this.postSize);
                }
            }.bind(this),
            onComplete: function(response) {
				alert(response.responseText);
                if(lastRequest == 1){
                    this._processAjaxResponse(response);
                }
            }.bind(this)
        });
    },