// JavaScript Document

function showSubMenu() {
    var objThis = this;

    for (var i = 0; i  < objThis.childNodes.length; i++) {

        if (objThis.childNodes.item(i).nodeName == "UL") {
            objThis.childNodes.item(i).style.display = "block";
            break;
        }
    }
}

function hideSubMenu() {
    var objThis = this;

    for (var i = 0; i  < objThis.childNodes.length; i++) {

        if (objThis.childNodes.item(i).nodeName == "UL") {
            objThis.childNodes.item(i).style.display = "none";
            break;
        }
    }
}

function initialiseMenu() {

    var objLICollection = document.body.getElementsByTagName("LI");

    for (var i = 0; i < objLICollection.length; i++) {

        var objLI = objLICollection[i];

        for (var j=0; j<objLI.childNodes.length; j++) {

            if (objLI.childNodes.item(j).nodeName == "UL") {

                objLI.onmouseover = showSubMenu;
                objLI.onmouseout = hideSubMenu;

                for (var j = 0; j<objLI.childNodes.length; j++) {

                    if (objLI.childNodes.item(j).nodeName == "A") {
                        objLI.childNodes.item(j).className = "submenu";
                    }
                }
            }
        }
    }

}

function centerPopUp( url, name, width, height, scrollbars ) {

	if( scrollbars == null ) scrollbars = "0"

	str  = "";
	str += "resizable=0,";
	str += "scrollbars=" + scrollbars + ",";
	str += "width=" + width + ",";
	str += "height=" + height + ",";

	if ( window.screen ) {
		var ah = screen.availHeight - 30;
		var aw = screen.availWidth - 10;

		var xc = ( aw - width ) / 2;
		var yc = ( ah - height ) / 2;

		str += ",left=" + xc + ",screenX=" + xc;
		str += ",top=" + yc + ",screenY=" + yc;
	}
	window.open( url, name, str );

}