function disableSelection(target){
    if (typeof target.onselectstart!="undefined") //IE route
        target.onselectstart=function(){return false}
    else if (typeof target.style.MozUserSelect!="undefined") //Firefox route
        target.style.MozUserSelect="none"
    else //All other route (ie: Opera)
        target.onmousedown=function(){return false}
        target.style.cursor = "default"
    }

document.oncontextmenu = function(){return false}