var d=document;
var currPage;
var currImg = 1;
var countImg = false;




function changeimgsrc(imgid,imgsrc)
{
	d.getElementById(imgid).src=imgsrc;
}

function changeimgopacity(imgid,opacity)
{
	if (imgid == currPage)
	{
		return;
	}
	if (opacity)
	{
		d.getElementById(imgid).style.opacity='0.5';
		d.getElementById(imgid).style.filter='alpha(opacity=50)';
	}
	else
	{
		d.getElementById(imgid).style.opacity='1.0';
		d.getElementById(imgid).style.filter='alpha(opacity=100)';
	}
return	
}

function detectURL()
{
	if (d.URL.indexOf('krogs') != -1)
	{
		currPage = 'n2';
		countImg = 4;
	}
	else if (d.URL.indexOf('mums') != -1)
	{
		currPage = 'n1';
		countImg = 4;
	}
	else if (d.URL.indexOf('karte') != -1)
	{
		currPage = 'n3';
	}
	else if (d.URL.indexOf('naktsmitne') != -1)
	{
		currPage = 'n4';
		countImg = 4;
	}
	else 
	{
		currPage = 'n3';
	}

	d.getElementById(currPage).style.opacity='1.0';
	d.getElementById(currPage).style.filter='alpha(opacity=100)';
}

function nextImg(page)
{
	if (countImg == currImg)
	{
		currImg=0;
	}
	currImg++;
	d.getElementById('slideshow').src=page+'_img'+currImg+'.jpg';

}

function prevImg(page)
{
	if (currImg == 1)
	{
		currImg=countImg+1;
	}
	currImg--;
	d.getElementById('slideshow').src=page+'_img'+currImg+'.jpg';

}