var RunningIE4 = (msieversion() >=4); 

function msieversion() { 
var ua = window.navigator.userAgent 
var msie = ua.indexOf ( "MSIE " ) 
if ( msie > 0 ) // is Microsoft Internet Explorer; return version number 
return parseInt ( ua.substring ( msie+5, ua.indexOf ( ".", msie ) ) ) 
else 
return 0 // is other browser 
} 

function highlightbutton(btn)
{

	for(x=1;x<=9;x++)
	{
		but='button'+x;
		lnk='btn'+x;
		
		if(x==btn)
		{
			document.all(but).className='btnhl';
			document.all(lnk).className='mnulinkhl';
			
		}
		else
		{
			document.all(but).className='btn';
			document.all(lnk).className='mnulink';
		}
	}
	if(btn==10)
	{
		document.all('rframe').height=1200;
	}
	else if(btn==10)
	{
		document.all('rframe').height=400;
	}
	else if(btn==2)
	{
		document.all('rframe').height=1500;
	}
	else if(btn==3)
	{
		document.all('rframe').height=1300;
	}
	else if(btn==6)
	{
		document.all('rframe').height=1300;
	}
	else
	{
		document.all('rframe').height=540;
	}
}
function loadmark()
{
	window.location.assign('./index.html#topmark');
}
function fadein(fadeval)
{
	document.all('maintable').filters.alpha.opacity = fadeval;
	if(fadeval<=85)
	{
		var t=setTimeout('fadein('+(fadeval+10)+')',30);
	}
}

var mm = new Array(12);
var dd = new Array(7);

mm[0]  = "January";
mm[1]  = "February";
mm[2]  = "March";
mm[3]  = "April";
mm[4]  = "May";
mm[5]  = "June";
mm[6]  = "July";
mm[7]  = "August";
mm[8]  = "September";
mm[9]  = "October";
mm[10] = "November";
mm[11] = "December";

dd[0]  = "Sunday";
dd[1]  = "Monday";
dd[2]  = "Tuesday";
dd[3]  = "Wednesday";
dd[4]  = "Thursday";
dd[5]  = "Friday";
dd[6]  = "Saturday";
function drawDate(){

	var d = new Date();
	return (dd[d.getDay()] + ", " + mm[d.getMonth()] + " " + d.getDate() + ", " + d.getYear());
}
function showpage(pagename)
{
	//alert(navigator.userAgent);
	//window.navigate(pagename);
	
	//window.url=pagename;
	//window.parent.parent.navigate('./index.html#topmark');
	window.parent.parent.location.assign('./index.html#topmark');
	location.assign(pagename);
	//var t=setTimeout('window.navigate('+pagename+')',1000);


}
function LoadImages(numberofimages, file, extension)
{
    for(var i = 1; i<=numberofimages; i++) {
        this[i]= new Image()
        this[i].src= file + i + extension
    }
    return this
}

slideshow=new LoadImages(4,'images/slide','.jpg');
var slide=1;
function showslide(num)
{
	if(document.images)
	{
		if(RunningIE4)
		{
			dissolvePix(document.images['slide1'], slideshow[num].src);
		}else{
			eval('document.images["slide1"].src='+'slideshow[num].src');
		}
	}
	nextslide();
}

function nextslide()
{
	setTimeout('showslide('+slide+')',8000);
	slide++;
	if(slide>4)
	{
		slide=1;
	}
}

function dissolvePix(picObj, imgfile)
{ 
	// This is for IE4 or later, and dissolves the images together using a visual filter.
	picObj.filters.revealTrans.Apply(); 
	picObj.src = imgfile 
	picObj.filters.revealTrans.Play() 
}