function ChangeStyle(styleTitle)

{

  var sheets = document.styleSheets;

  var images = new Array('ss','mm','ll');

  if (sheets){

    for (var i = 0; i < sheets.length; i++){

      if (styleTitle && sheets[i].title == styleTitle){

        sheets[i].disabled = false;

      }else{

        sheets[i].disabled = true;

        document.getElementById(styleTitle).src = "http://www.3pref-sky.com/img/" + styleTitle + "2.gif";

        for (j=0; j<=2; j++){

          if(images[j] != styleTitle){

            document.getElementById(images[j]).src = "http://www.3pref-sky.com/img/" + images[j] + "1.gif";

          }

        }

      }

    }

  }

}



function FontZoom(){

	if(navigator.appName=="Microsoft Internet Explorer"){

		document.write("<IMG SRC=\"http://www.3pref-sky.com/img/fontsize.gif\" WIDTH=\"78\" HEIGHT=\"28\" ALT=\"文字サイズ\" BORDER=\"0\" ALIGN=\"absmiddle\">");

		document.write("<a href=\"#\" onclick=\"javascript:ChangeStyle('ss');\"><img src=\"http://www.3pref-sky.com/img/ss2.gif\" name=\"ss\" id=\"ss\" border=\"0\"></a>");

		document.write("<a href=\"#\" onclick=\"javascript:ChangeStyle('mm');\"><img src=\"http://www.3pref-sky.com/img/mm1.gif\" name=\"mm\" id=\"mm\" border=\"0\"></a>");

		document.write("<a href=\"#\" onclick=\"javascript:ChangeStyle('ll');\"><img src=\"http://www.3pref-sky.com/img/ll1.gif\" name=\"ll\" id=\"ll\" border=\"0\"></a>");

	}

}





function mm_reloadPage(init) {  //reloads the window if Nav4 resized

  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {

    document.mm_pgW=innerWidth; document.mm_pgH=innerHeight; onresize=mm_reloadPage; }}

  else if (innerWidth!=document.mm_pgW || innerHeight!=document.mm_pgH) location.reload();

}



mm_reloadPage(true);



var ns = (navigator.appName=="Netscape") ;

var ie = (navigator.appName=="Microsoft Internet Explorer") ;

var Mac = (navigator.appVersion.indexOf("Mac") != -1);



url = "/b_hp/css/";

if (Mac)

{

	if (ie) style="macie";

	if (ns) style="macns";

}

else

{

	if (ie) style="winie";

	if (ns) style="winns";

}

document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="http://www.3pref-sky.com/css/ss.css" title="ss">');

document.write('<LINK REL="alternate stylesheet" TYPE="text/css" HREF="http://www.3pref-sky.com/css/mm.css" title="mm">');

document.write('<LINK REL="alternate stylesheet" TYPE="text/css" HREF="http://www.3pref-sky.com/css/ll.css" title="ll">');