// Checagem de browsers

function Is() {
    var agent = navigator.userAgent.toLowerCase();
    this.major = parseInt(navigator.appVersion);
    this.minor = parseFloat(navigator.appVersion);
    this.ns  = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)));
    this.ns2 = (this.ns && (this.major == 2));
    this.ns3 = (this.ns && (this.major == 3));
    this.ns4b = (this.ns && (this.minor < 4.04));
    this.ns4 = (this.ns && (this.major >= 4));
    this.ie   = (agent.indexOf("msie") != -1);
    this.ie3  = (this.ie && (this.major == 2));
    this.ie4  = (this.ie && (this.major >= 4));
    this.op3 = (agent.indexOf("opera") != -1);
    this.win   = (agent.indexOf("win")!=-1);
    this.mac   = (agent.indexOf("mac")!=-1);
    this.unix  = (agent.indexOf("x11")!=-1);
}

var is = new Is();

function novaImg (imagem) {
	parent.titulo.document.images[2].src = "../imagens/" + imagem + ".gif";

/*     if(is.ns4) {
        if ( parent.innerWidth > innerWidth ) {
           innerWidth = parent.innerWidth - 20;
        	  alert (innerWidth);
           alert ("passei");
        }
        alert (innerWidth);
    } else if(is.ie4) {
        if ( parent.document.body.clientWidth > document.body.clientWidth ) {
           document.body.clientWidth = parent.document.body.clientWidth - 20;
        }
	   } */
}