function GetAjaxObj () {
    var xmlHttpReq = false;
    var self = this;
    
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    };
    
    return self.xmlHttpReq;
};


function CoinShow(oid) {
	var div_el = document.getElementById('ID' + oid);
	if (div_el) div_el.style.display = '';
};

function CoinHide(oid) {
	var div_el = document.getElementById('ID' + oid);
	if (div_el) div_el.style.display = 'none';	
};