//---------------Browser Check

var browserType=new checkBrowserType();
var osType=new checkOsType();

function checkBrowserType(){
	this.IE=(navigator.userAgent.indexOf("MSIE")!=-1);
	this.IE6=(navigator.userAgent.indexOf("MSIE 6.")!=-1);
	this.IE5=(navigator.userAgent.indexOf("MSIE 5.")!=-1);
	this.IE4=(navigator.userAgent.indexOf("MSIE 4.")!=-1);
	this.Opera=(navigator.userAgent.indexOf("Opera")!=-1);
}


navigator.platform.indexOf("Win") != -1


function checkOsType(){
	this.Win=(navigator.appVersion.indexOf("Win")!=-1);
	this.Mac=(navigator.appVersion.indexOf("Mac")!=-1);
	this.Unix=(navigator.appVersion.indexOf("X11")!=-1);
}

if(!(checkOsType.Mac)){
  if(browserType.IE){
     document.write('<LINK rel="stylesheet" href="http://www.roseland-cc.com/css/ie.css" type="text/css" media="all" />');
  }
}

if(browserType.IE5 || browserType.IE6){
	document.write('<style type="text/css">body,caption,td,th,H1,H2,H3,H4,H5,H6{font-size:x-small;}</style>');
}



//---------------Page top

function backToTop() {
    var x1 = x2 = x3 = 0;
    var y1 = y2 = y3 = 0;

    if (document.documentElement) {
        x1 = document.documentElement.scrollLeft || 0;
        y1 = document.documentElement.scrollTop || 0;
    }

    if (document.body) {
        x2 = document.body.scrollLeft || 0;
        y2 = document.body.scrollTop || 0;
    }

    x3 = window.scrollX || 0;
    y3 = window.scrollY || 0;

    var x = Math.max(x1, Math.max(x2, x3));
    var y = Math.max(y1, Math.max(y2, y3));

    window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));

    if (x > 0 || y > 0) {
        window.setTimeout("backToTop()", 50);
    }
}



//---------------IE PNG

function correctPNG(){

  if(browserType.IE5 || browserType.IE6){

    for(var i=0; i<document.images.length; i++){
      var img = document.images[i]
      var imgName = img.src.toUpperCase()
	
      if (imgName.substring(imgName.length-3, imgName.length) == "PNG"){
        var imgID = (img.id) ? "id='" + img.id + "' " : ""
        var imgClass = (img.className) ? "class='" + img.className + "' " : ""
        var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
        var imgStyle = "display:inline-block;" + img.style.cssText 
	  
        if (img.align == "left") imgStyle = "float:left;" + imgStyle
        if (img.align == "right") imgStyle = "float:right;" + imgStyle
        if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle		
        var strNewHTML = "<span " + imgID + imgClass + imgTitle
        + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
        + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
        + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
        img.outerHTML = strNewHTML
        i = i-1
      }
    }
  }
}



//---------------New Window

function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("A");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}



//---------------Onload

function initload() {
	correctPNG();
	externalLinks();
}

window.onload = initload;