/* pentagon javascript API ver 0.01
   handling from html file(not OO)
   
*/

//global

var szAgent       = navigator.userAgent.toLowerCase();
var szName        = navigator.appName;
var iVer          = parseInt(navigator.appVersion);
var szPlugins     = navigator.plugins;
var iMajorVersion = parseInt(navigator.appVersion);
var iVersion      = parseFloat(navigator.appversion);

var bWin     = (szAgent.indexOf("win",0) != -1);
var bMac     = (szAgent.indexOf("mac",0) != -1);
var bOsX     = ((szAgent.indexOf("mozilla") != -1) && (szAgent.indexOf("mac os x") != -1));

var bIe      = (szName == "Microsoft Internet Explorer");
var bNn      = (szName == "Netscape");
var bMoz     = (szAgent.indexOf("gecko") != -1);
var bIcab    = (szAgent.indexOf("icab" ,0) != -1);
var bOpera   = (szAgent.indexOf("opera",0) != -1);
var bNn6     = (szAgent.indexOf("netscape6") != -1);
var bSafari  = (szAgent.indexOf("Safari",0) != -1);

var bIe5Mac  = ((bMac && szAgent.indexOf("msie 5",0) != -1) || (bMac & bIe && iVer > 4));
var bIe4Mac  = ((bMac && szAgent.indexOf("msie 4.",0) != -1));
var bIe3Mac  = ((bMac && szAgent.indexOf("msie 3.",0) != -1));

//style of browser;
var IE5 = 0;
var IE4 = 1;
var NN  = 2;
var NN6 = 3;
var OTH = 4;

var iBrzS;

var d = document;
if(d.all){
	if(d.getElementById)
		iBrzS = IE5;
	else
		iBrzS = IE4;
}
else{
	if(d.getElementById)
		iBrzS = NN6;
	else{
		if(d.layers)iBrzS = NN;
		else iBrzS = OTH;
	}
}



function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}


function swap(lyr,imgName,imgObj) {
	if(arguments.length==2){//alert(arguments.length);
		imgObj = imgName;
		imgName = lyr;
		lyr = null;
	}
	if (document.images) {
		if (document.layers && lyr!=null) eval('document.'+lyr+'.document.images["'+imgName+'"].src = '+imgObj+'.src');
		else document.images[imgName].src = eval(imgObj+".src");
	}
}


function ov(img){
	swap(null,img,img+ "_o");
}

function ou(img){
	swap(null,img,img+ "_n");
}



function init(){
//	location.reload();
	resetPage();
}

function resetPage(){
	if(bNn && location.href.indexOf("#",0) == -1){
		window.scroll(0,0);
	}
	return true;
}



document.open();
if(bWin && bIe){
	document.write('<link rel=\"stylesheet\" href=\"common/wie.css\" type=\"text/css\">');
}
else if(bWin && bNn){
	document.write('<link rel=\"stylesheet\" href=\"common/wnn.css\" type=\"text/css\">');
}
else if(bMac && bIe){
	document.write('<link rel=\"stylesheet\" href=\"common/mie.css\" type=\"text/css\">');
}
else if(bMac && bNn){
	document.write('<link rel=\"stylesheet\" href=\"common/mnn.css\" type=\"text/css\">');
}
else{
	document.write('<link rel=\"stylesheet\" href=\"common/wie.css\" type=\"text/css\">');
}
document.close();


//hidden-->