function JSONscriptRequest(fullUrl) {
        // REST request path
        this.fullUrl = fullUrl; 
        // Keep IE from caching requests
        this.noCacheIE = '&noCacheIE=' + (new Date()).getTime();
        // Get the DOM location to put the script tag
        this.headLoc = document.getElementsByTagName("head").item(0);
        // Generate a unique script tag id
        this.scriptId = 'JscriptId' + JSONscriptRequest.scriptCounter++;
}
// Static script ID counter
JSONscriptRequest.scriptCounter = 1;

// buildScriptTag method
//
JSONscriptRequest.prototype.buildScriptTag = function () {
        // Create the script tag
        this.scriptObj = document.createElement("script");
                    
        // Add script object attributes
        this.scriptObj.setAttribute("type", "text/javascript");
        this.scriptObj.setAttribute("charset", "utf-8");
        this.scriptObj.setAttribute("src", this.fullUrl + this.noCacheIE);
        this.scriptObj.setAttribute("id", this.scriptId);
}
                 
// removeScriptTag method
// 
JSONscriptRequest.prototype.removeScriptTag = function () {
        // Destroy the script tag
        this.headLoc.removeChild(this.scriptObj);  
}

// addScriptTag method
//
JSONscriptRequest.prototype.addScriptTag = function () {
        // Create the script tag
        this.headLoc.appendChild(this.scriptObj);
}