if (navigator.appName.indexOf("Netscape") != -1) {
       if (navigator.userAgent.indexOf("Mac") != -1) {
               // Mac - Netscape
					 if (navigator.appVersion.indexOf("5.") != -1) {
               document.write('<link rel=stylesheet href=cine_styles/style_macns6.css>')
					 }
					 else {
               document.write('<link rel=stylesheet href=cine_styles/style_macns.css>')
					 }
       }
       else {
               // PC - Netscape
							 // PC - Netscape 6.0
							 if (navigator.appVersion.indexOf("5.") != -1) {
								 document.write('<link rel=stylesheet href=cine_styles/style_ns6.css>')
							 }
							 else {
              	 document.write('<link rel=stylesheet href=cine_styles/style_ns.css>')
							 }
      }
 }
 // IE 
 else {
       if (navigator.userAgent.indexOf("Mac") != -1) {
               // IE - Mac
               document.write('<link rel=stylesheet href=cine_styles/style_macie.css>')
       }
       else {
               document.write('<link rel=stylesheet href=cine_styles/style.css>')
       // IE - PC
       }
 }