function objApi()
{
	this.agent = window.navigator.userAgent.toLowerCase();
	this.formName = "MGForm";
	this.isDOM = typeof(document.getElementById) != "undefined";
	this.isIE = (this.agent.indexOf("msie") >= 0 && typeof(document.all) != "undefined");
	this.isIE4 = (document.all && !this.isDOM);
	this.isNC = this.agent.indexOf("netscape") > -1;
	this.isNC4 = this.isNC && !isDOM;
	this.isMac = this.agent.indexOf("mac") >= 0;
	this.isOpera = (this.agent.indexOf("opera") != -1);
}

var objApi = new objApi();