function Is ()
{

var agt=navigator.userAgent.toLowerCase();

	this.major = parseInt(navigator.appVersion);
	this.minor = parseFloat(navigator.appVersion);

	this.nav2 = (this.nav && (this.major == 2));
	this.nav3 = (this.nav && (this.major == 3));
	this.nav4 = (this.nav && (this.major == 4));
	this.nav4up = (this.nav && (this.major >= 4));
	this.navonly	 = (this.nav && ((agt.indexOf(";nav") != -1) ||
						 (agt.indexOf("; nav") != -1)) );
	this.nav6 = (this.nav && (this.major == 5));
	this.nav6up = (this.nav && (this.major >= 5));
	this.gecko = (agt.indexOf('gecko') != -1);

	this.ie	 = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
	this.ie3	= (this.ie && (this.major < 4));
	this.ie4	= (this.ie && (this.major == 4) && (agt.indexOf("msie 4")!=-1) );
	this.ie4up = (this.ie && (this.major >= 4));
	this.ie5	= (this.ie && (this.major == 4) && (agt.indexOf("msie 5.0")!=-1) );
	this.ie5_5 = (this.ie && (this.major == 4) && (agt.indexOf("msie 5.5") !=-1));
	this.ie5up = (this.ie && !this.ie3 && !this.ie4);
	this.ie5_5up =(this.ie && !this.ie3 && !this.ie4 && !this.ie5);
	this.ie6	= (this.ie && (this.major == 4) && (agt.indexOf("msie 6.")!=-1) );
	this.ie6up = (this.ie && !this.ie3 && !this.ie4 && !this.ie5 && !this.ie5_5);

	

}

function surfto(form) 
{
 
 window.open("/inici/sistema/navegadorvell","main","menubar=0,toolbar=0,location=0,directories=0,status=0,copyhistory=0,width=790,height=500");
}

var is;

is = new Is(); 

if ( (is.nav6 == true) || (is.nav6up == true) || (is.gecko == true) ) ;
else if ( (is.ie5_5==true) || (is.ie6==true) || (is.ie6up==true) ) ;

else surfto(this);