var collapseOnSel = true;		
var imgOpen = "img/i_folder_o.gif";
var imgClose= "img/i_folder.gif";
var v_CanvasItem= "";

function Browser() {
	  var b=navigator.appName
	  var ua=navigator.userAgent.toLowerCase()
	  if (b=="Netscape") this.b="ns"
	  else if (b=="Microsoft Internet Explorer") this.b="ie"
	  else this.b=b
	  this.version=navigator.appVersion
	  this.v=parseInt(this.version)

	  this.ns=(this.b=="ns")
	  this.opera=(ua.indexOf('opera')>0)
	  this.ie=(this.b=="ie" && !this.opera)

	  this.ns4=(this.b=="ns" && this.v==4)
	  this.ns6=(this.b=="ns" && this.v==5)
	  this.ie4=(this.version.indexOf('MSIE 4')>0)
	  this.ie5=(this.version.indexOf('MSIE 5')>0)
	  this.ie55=(this.version.indexOf('MSIE 5.5')>0)
	  this.dom=((document.createRange&&(document.createRange().createContextualFragment))?true:false)
	  this.min=(this.ns||this.ie)
	  this.opera5=(ua.indexOf('opera 5')>0)
	  if (ua.indexOf("win")>-1) this.platform="win32"
	  else if (ua.indexOf("mac")>-1) this.platform="mac"
	  else this.platform = "other"


}
is=new Browser()

function clrSwap(src, bgCol, txtCol) { 
   src.style.background = bgCol;   //swap background colour 
   src.style.color = txtCol;       //swap text colour 
} 


if(!is.ns4) {
	jsTxt = '<script language=\"JavaScript\" src=\"navcontent_domutils.js\"></script>\n';
	jsTxt += '<script language=\"JavaScript\" src=\"navcontent_utils.js\"></script>';
	stylesTxt = '<link rel=\"stylesheet\" href=\"nav_norm.css\">';
}
else {
	jsTxt = '<script language=\"JavaScript\" src=\"navcontent_ns_utils.js\"><\/script>';
	if(is.ns4 && is.platform == "mac")
		{
		stylesTxt = '<link rel=\"stylesheet\" href=\"nav_ns_mac.css\">\n';
		}
		else
		{
		stylesTxt = '<link rel=\"stylesheet\" href=\"nav_ns_win.css\">\n';
		}
}


document.write(stylesTxt);
document.write(jsTxt);

function writeLinksNav(markedMenu) {
    defaultMenu = markedMenu;
    if(defaultMenu) setColor(defaultMenu)
    document.write(cContentSrc);
    contentInit();
}