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) {
document.write('<style type="text/css" media="screen"> .phone {line-height: 18px !important;} </style>');
 }
 else if (ieversion>=6) {
document.write('<style type="text/css" media="screen"> #LeftContent {behavior:url("js/iepngfix.htc"); background: url(images/defaults/sombra.png) repeat} #SombraPhone {behavior:url("js/iepngfix.htc"); background: url(images/defaults/sombra2.png) repeat;} #LeftContent_P {background: none;} .phone {line-height: 18px !important;} </style>');
 }
 else if (ieversion>=5) {
 }

}