var slideHrefs=new Array("/press_releases/index.php?articleID=1313","http://www.saginawfoundation.org/newsletter/10annualreport/","/photo_gallery/index.php?galleryID=21");
var slideHrefs2=new Array(0,0,0);
var altHrefParameters=new Array(0,0,0);
var numSlides=slideHrefs.length;
var pause=false;
function changeSlide(prv,nxt)
{
	for(i=1; i <= numSlides; i++)
	{
		if(i==nxt)
		{
			document.getElementById('pic' + i).style.opacity=1;
			document.getElementById('pic' + i).style.filter='alpha(opacity=100)';
			document.getElementById('st' + i).style.backgroundImage='url(/images/bg_slide_tab_on.png)';
			document.getElementById('st' + i).style.color='#FFFFFF';
		}
		else
		{
			document.getElementById('pic' + i).style.opacity=0;
			document.getElementById('pic' + i).style.filter='alpha(opacity=0)';
			document.getElementById('st' + i).style.backgroundImage='url(/images/bg_slide_tab_off.png)';
			document.getElementById('st' + i).style.color='#336699';
		}
	}
	/* Not using the line below unless the client decides they want the slideshow to auto-resume after the user selects a specific slide
	setTimeout('runSlideshow(prv,nxt)',7500);*/
	if(pause)
	{
		runSlideshow(prv,nxt);
	}
}
function runSlideshow(prv,nxt)
{
	if(slideHrefs[prv])
	{
		document.getElementById('slide_link').style.cursor='pointer';
		document.getElementById('slide_link').href=slideHrefs[prv];
		if(slideHrefs2[prv])
		{
			document.getElementById('slide_link2').href=slideHrefs2[prv];
			theParameters=altHrefParameters[prv];
			paramArray=theParameters.split("|");
			document.getElementById('slide_link2').style.left=paramArray[0] + 'px';
			document.getElementById('slide_link2').style.top=paramArray[1] + 'px';
			document.getElementById('slide_link2').style.width=paramArray[2] + 'px';
			document.getElementById('slide_link2').style.height=paramArray[3] + 'px';
			document.getElementById('trans').style.width=paramArray[2] + 'px';
			document.getElementById('trans').style.height=paramArray[3] + 'px';
		}
		else
		{
			document.getElementById('slide_link2').style.left='0px';
			document.getElementById('slide_link2').style.top='0px';
			document.getElementById('slide_link2').style.width='0px';
			document.getElementById('slide_link2').style.height='0px';
		}
	}
	else
	{
		document.getElementById('slide_link').style.cursor='default';
		document.getElementById('slide_link').href='javascript:void(0)';
		document.getElementById('slide_link2').style.left='0px';
		document.getElementById('slide_link2').style.top='0px';
		document.getElementById('slide_link2').style.width='0px';
		document.getElementById('slide_link2').style.height='0px';
	}
	if(pause)
	{
		return;
	}
	setTimeout('transition(' + prv + ',' + nxt + ')',7500);
}
function setOpacity(element,value)
{
	document.getElementById(element).style.opacity=value/10;
	document.getElementById(element).style.filter='alpha(opacity=' + value*10 + ')';
}
function transition(prv,nxt)
{
	prv++;
	if(prv==(numSlides+1))
	{
		prv=1;
	}
	nxt++;
	if(nxt==(numSlides+1))
	{
		nxt=1;
	}
	if(pause)
	{
		return;
	}
	for(var a=0; a<=100; a++)
	{
		setTimeout('setOpacity("pic' + prv + '",' + (10-a/10) + ')',10*a);
	}
	for(var b=0; b<=100; b++)
	{
		setTimeout('setOpacity("pic' + nxt + '",' + b/10 + ')',10*b);
	}
	document.getElementById('st' + prv).style.backgroundImage='url(/images/bg_slide_tab_off.png)';
	document.getElementById('st' + prv).style.color='#336699';
	document.getElementById('st' + nxt).style.backgroundImage='url(/images/bg_slide_tab_on.png)';
	document.getElementById('st' + nxt).style.color='#FFFFFF';
	if(prv==numSlides)
	{
		prv=0;
	}
	setTimeout('runSlideshow(' + prv + ',' + nxt + ')',1000);
}