// bloquear clique inverso

<!--





function clickIE() {



if (document.all) {



return false;



}



} 



function clickNS(e) {



if (document.layers||(document.getElementById&&!document.all)) { 



if (e.which==2||e.which==3) {



return false;



}



}



} 



if (document.layers) {



document.captureEvents(Event.MOUSEDOWN);



document.onmousedown=clickNS;



} 



else{



document.onmouseup=clickNS;



document.oncontextmenu=clickIE;



} 



document.oncontextmenu=new Function("return false")

//-->