function abrir(largura,altura,url){
	    parametros = "nome=&matricula=&codfuncionario=1350&data=";
        document.getElementById("divAviso").style.left = ((document.body.scrollWidth - 400)/2);
        //document.getElementById("divAviso").style.top  = 100  ;
       // document.getElementById("divAviso").style.visibility="visible";
		document.getElementById("divAviso").style.display="block";
		document.getElementById('frmdivAviso').style.height =altura;
		document.getElementById('frmdivAviso').style.width =largura;
		document.getElementById('frmdivAviso').src=antiCacheRandDiv(url);
		document.getElementById('frmdivTransp').style.height = document.body.scrollHeight;
		document.getElementById('frmdivTransp').style.width = document.body.scrollWidth;
		document.getElementById("frmdivTransp").style.display="block";  
		
}
function antiCacheRandDiv(aurl){
   var dt = new Date();
    if(aurl.indexOf("?")>=0){// já tem parametros
        return aurl + "&" + encodeURI(Math.random() + "_" + dt.getTime());
    }else{ return aurl + "?" + encodeURI(Math.random() + "_" + dt.getTime());}
}