function showBigImage(img,slide) {

	if(!slide) {
		document.big.src = imgbig[img].src;
		document.big.title = imgtitle[img].src;
		document.getElementById("bigimage").style.display = "inline";
	}
	else if(slide == '2') {
		document.big2.src = imgbig[img].src;
		document.big2.title = imgtitle[img].src;
		document.getElementById("bigimage2").style.display = "inline";
	}
	else if(slide == '3') {
		document.big3.src = imgbig[img].src;
		document.big3.title = imgtitle[img].src;
		document.getElementById("bigimage3").style.display = "inline";
	}
}

function hideBigImage(slide) {

	if(!slide) {
		document.getElementById("bigimage").style.display = "none";
	}
	else if(slide == '2') {
		document.getElementById("bigimage2").style.display = "none";
	}
	else if(slide == '3') {
		document.getElementById("bigimage3").style.display = "none";
	}
}