// JavaScript support functions for all M25 DCP pages

if (document.images)
{
    // Preload button images.
    prevent_o = new Image (96,32); prevent_o.src = 'prevent_o.gif';
    prevent_n = new Image (96,32); prevent_n.src = 'prevent_n.gif';
    prepare_o = new Image (96,32); prepare_o.src = 'prepare_o.gif';
    prepare_n = new Image (96,32); prepare_n.src = 'prepare_n.gif';
    react_o = new Image (96,32); react_o.src = 'react_o.gif';
    react_n = new Image (96,32); react_n.src = 'react_n.gif';
    recover_o = new Image (96,32); recover_o.src = 'recover_o.gif';
    recover_n = new Image (96,32); recover_n.src = 'recover_n.gif';
    intro_o = new Image (96,32); intro_o.src = 'intro_o.gif';
    intro_n = new Image (96,32); intro_n.src = 'intro_n.gif';
    home_o = new Image (96,32); home_o.src = 'home_o.gif';
    home_n = new Image (96,32); home_n.src = 'home_n.gif';
    refer_o = new Image (96,32); refer_o.src = 'refer_o.gif';
    refer_n = new Image (96,32); refer_n.src = 'refer_n.gif';
}

// Button swapover functions for mouse over/out

function swapover(imagename)
{
    if (document.images)
    {
        self.document.images[imagename].src = imagename + "_o.gif";
    }
}

function swapout(imagename)
{
    if (document.images)
    {
        self.document.images[imagename].src = imagename + "_n.gif";
    }
}

// Define properties of a pop-up window
function popup_window(url) {
	new_win = window.open(url,"new_win",'toolbar=1,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width=650,height=250');
}