nCurrentMessage=0;
var overImage=0;
aClickMessages = new Array();
aClickMessages[0] = 'unknown photographer';
aClickMessages[1] = 'Copyright of the City of Edmonton Archives';
aClickMessages[2] = 'Copyright of the City of Edmonton';
aClickMessages[3] = 'Copyright of the Telephone Historical Centre';
aClickMessages[4] = 'Copyright of the Glenbow Museum Archives';
aClickMessages[5] = 'Copyright of the Galt Museum Archives'
function over(n)
{
    overImage=n;
    
}
function disableclick(e) {

clickmessage = aClickMessages[nCurrentMessage];

if(nCurrentMessage != 0)
{
    
    if (document.all) {
        if (event.button>=2||event.button==3) {
            if (event.srcElement.tagName=="IMG"){
                alert(clickmessage);
                return false;
            }
        }
    }
    else if (document.layers) {
        if (e.which == 3) {
            if(overImage==1)
            {
            alert(clickmessage);
            return false;
            }
        }
    }
    else if (document.getElementById){
        if (e.which==3&&e.target.tagName=="IMG"){
            alert(clickmessage)
                return false;
        }
    }
}
}

function associateimages(){
    for(i=0;i<document.images.length;i++)
        document.images[i].onmousedown=disableclick;
}

function init(){
    nCurrentMessage=0;
    overImage=0;
}

if (document.all)
    document.onmousedown=disableclick
else if (document.getElementById)
{   //  document.onmouseup=disableclick
    window.captureEvents(Event.RIGHTCLICK);
    document.onclick = disableclick;
}   
else if (document.layers)
{
    //associateimages()
    document.captureEvents(Event.MOUSEDOWN);
    document.onmousedown=disableclick;
}
document.onmouseout=init