function JSONscriptRequest(fullUrl) {
this.fullUrl=fullUrl; 
this.noCacheIE='&noCacheIE='+(new Date()).getTime();
this.headLoc=document.getElementsByTagName("head").item(0);
this.scriptId='JscriptId'+JSONscriptRequest.scriptCounter++;
};
JSONscriptRequest.scriptCounter=1;
JSONscriptRequest.prototype.buildScriptTag=function () {
this.scriptObj=document.createElement("script");
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);
};
JSONscriptRequest.prototype.removeScriptTag=function () {
this.headLoc.removeChild(this.scriptObj);  
};
JSONscriptRequest.prototype.addScriptTag=function () {
this.headLoc.appendChild(this.scriptObj);
};