function Mostrar(camada,ligacaoid,largura,altura){
	var brwsr=navigator.appName;
	var brwsrVer=navigator.appVersion; 
	//if (brwsr=="Netscape" || (brwsrVer.indexOf('MSIE 7')>-1)) {
	//	var posicao=document.documentElement.scrollTop+5;
	//}
	//else {
		var posicao=document.body.scrollTop + 5;
	//}
	camada.style.top = eval("'" + (posicao) + "px'");

	
	/*
	var ligacao=document.getElementById(ligacaoid);
	if (brwsr=="Netscape") {
		var clickevent=document.createEvent("MouseEvents");
		clickevent.initEvent("click", true, true);
		ligacao.dispatchEvent(clickevent);
	}
	else {
		ligacao.click();
	}
	*/
		
	camada.style.width=eval(largura)+8;		
	camada.style.height=eval(altura)+8;		

	jan1.style.zIndex=1;
    jan1.style.visibility = "hidden";
	camada.style.zIndex=10;
   	camada.style.visibility = "visible";
}

function Ocultar(camada) {
     camada.style.zIndex=1;
     camada.style.visibility = "hidden"
	 camada.style.top="1px";
	 camada.style.height="1px";
	 //foto=document.getElementById("fotomob")
	 //foto.src="../dummy.jpg";
}

jan1 = document.getElementById("ampliacao");
jan1.style.zIndex=1;
jan1.style.visibility = "hidden";