function disableclick(e) {
if (document.all) {
if (event.button==2||event.button==3) {
if (event.srcElement.tagName=="IMG"){
document.oncontextmenu = new Function("return false");
} else { document.oncontextmenu = new Function("return true");
}}} else if (document.getElementById){
if (e.which==3&&e.target.tagName=="IMG"){
document.oncontextmenu = new Function("return false");
} else { document.oncontextmenu = new Function("return true");
}}}
function associateimages(){
for(i=0;i<document.images.length;i++)
document.images[i].onmousedown=disableclick;
}if (document.all)
document.onmousedown=disableclick
else if (document.getElementById)
document.onmouseup=disableclick