function abre(url,janela,larg,alt,scroll,pos1,pos2){
 window.open(url,janela,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+scroll+',resizable=no,copyhistory=no,top='+pos1+',left='+pos2+',screenY='+pos1+',screenX='+pos2+',width='+larg+',height='+alt);
} 




   //---------inicio sub menu---------------

/*function menuclick(e){
 if(typeof(e)=='undefined')var e=window.event
 source=e.target?e.target:e.srcElement
 if(source.nodeType==3)source=source.parentNode
 n=source.getAttribute("href").replace(/.*=/,"")
 carrega(parseInt(n))
 return false
}*/

function init(){
document.getElementById("bt_empresa").onmouseover = function(){document.getElementById("sub_empresa").style.display='block';};
document.getElementById("bt_empresa").onmouseout = function(){document.getElementById("sub_empresa").style.display='none';};
document.getElementById("sub_empresa").onmouseout = function(){document.getElementById("sub_empresa").style.display='none';};
document.getElementById("sub_empresa").onmouseover = function(){document.getElementById("sub_empresa").style.display='block';};

document.getElementById("bt_tecno").onmouseover = function(){document.getElementById("sub_tecnologia").style.display='block';};
document.getElementById("bt_tecno").onmouseout = function(){document.getElementById("sub_tecnologia").style.display='none';};
document.getElementById("sub_tecnologia").onmouseout = function(){document.getElementById("sub_tecnologia").style.display='none';};
document.getElementById("sub_tecnologia").onmouseover = function(){document.getElementById("sub_tecnologia").style.display='block';};

document.getElementById("bt_produtos").onmouseover = function(){document.getElementById("sub_produtos").style.display='block';};
document.getElementById("bt_produtos").onmouseout = function(){document.getElementById("sub_produtos").style.display='none';};
document.getElementById("sub_produtos").onmouseout = function(){document.getElementById("sub_produtos").style.display='none';};
document.getElementById("sub_produtos").onmouseover = function(){document.getElementById("sub_produtos").style.display='block';};
}
 window.onload=init