// LOGIN ROUTINES

    function changeViewLoginDialog(){
        var obj = document.getElementById("loginDiv");
        if (obj){
            if (obj.style.display == "block")
                obj.style.display = "none";
            else
                obj.style.display = "block";
        }
    }
    
    function setOpacity(element, opacity) {
		if (element){
		    element.style.opacity = element.style.MozOpacity = element.style.KhtmlOpacity = opacity / 100;
		    // Set IE
		    element.style.filter = 'alpha(opacity=' + opacity + ')';
		}
	}

    function enterPressed(ev){
        ev = ev || event;
        code = ev.keyCode;
        if (code == 13){
                if (loginButton){
                    loginButton.click();
                    return false;
                }
        }
    }