//Set Page button image
function SetPage()
{
    if(document.URL == 'http://www.ipis.co.nz/Home.aspx' || document.URL == 'http://ipis.co.nz/Home.aspx' || document.URL == 'http://www.ipis.co.nz/' || document.URL == 'http://ipis.co.nz/')
    {
        //alert(document.getElementById('homebtna').style.background);
        document.getElementById('homebtna').style.background="url(Images/home_alt.jpg)";    
    }
    else if(document.URL == 'http://www.ipis.co.nz/AboutUs.aspx' || document.URL == 'http://ipis.co.nz/AboutUs.aspx')
    {
        document.getElementById('companybtna').style.background="url(Images/aboutus_alt.jpg)";
    }
    else if(document.URL == 'http://www.ipis.co.nz/Employers.aspx' || document.URL == 'http://ipis.co.nz/Employers.aspx')
    {
        document.getElementById('employerbtna').style.background="url(Images/employer_alt.jpg)";
    }
    else if(document.URL == 'http://www.ipis.co.nz/Candidates.aspx' || document.URL == 'http://ipis.co.nz/Candidates.aspx')
    {
        document.getElementById('candidatesbtna').style.background="url(Images/candidates_alt.jpg)";
    }
    else if(document.URL == 'http://www.ipis.co.nz/ContactUs.aspx' || document.URL == 'http://ipis.co.nz/ContactUs.aspx')
    {
        document.getElementById('contactbtna').style.background="url(Images/contactus_alt.jpg)";
    }
}