var agt			=	navigator.userAgent.toLowerCase();
var ver 		=  navigator.appVersion.toLowerCase();
var is_mac    	= 	(agt.indexOf("mac")!=-1);
var is_pc    	= 	(agt.indexOf("win")!=-1);
var is_linux	= 	(agt.indexOf("linux")!=-1);
var is_ie     	= 	(agt.indexOf("msie")!= -1); 
var is_firefox 	= 	(agt.indexOf("firefox")!= -1); 
var is_opera	=	(agt.indexOf("opera")!= -1);
var is_safari	=	(agt.indexOf("safari")!=-1);

if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ 
 var ieversion=new Number(RegExp.$1) 
 if (ieversion>=8) {
 }
 else if (ieversion>=7) {
 }
 else if (ieversion>=6) {
document.write('<style type="text/css" media="screen">img, ul#MenuSec li,#MenuContent, #Menu a#inicio, .boxinfo, #Footerinfo {behavior:url("js/iepngfix.htc")};}</style>');   
 }
 else if (ieversion>=5) {
 }
}
else {
}


if(is_ie) {
 
}