function JSONscriptRequest(fullUrl) {
 this.fullUrl = fullUrl;
 this.noCacheIE = '&noCacheIE=' + (new Date()).getTime();
 this.headLoc = document.getElementsByTagName("head").item(0);
 this.scriptId = 'YJscriptId' + JSONscriptRequest.scriptCounter++;
}
JSONscriptRequest.scriptCounter = 1;
JSONscriptRequest.prototype.buildScriptTag = function () {
 this.scriptObj = document.createElement("script");
 this.scriptObj.setAttribute("type", "text/javascript");
 this.scriptObj.setAttribute("src", this.fullUrl + this.noCacheIE);
 this.scriptObj.setAttribute("id", this.scriptId);
}
JSONscriptRequest.prototype.removeScriptTag = function () {
 this.headLoc.removeChild(this.scriptObj);
}
JSONscriptRequest.prototype.addScriptTag = function () {
 this.headLoc.appendChild(this.scriptObj);
}