function OpenWin(PageName, W, H){
	window.open (PageName, "mywindow","location=0,status=0,scrollbars=1, width="+W+",height="+H+"");
}

function ShowHiddenDiv(DivName) {
	if (document.getElementById(DivName).style.display=='none'){
		document.getElementById(DivName).style.display="";
	} else {
		document.getElementById(DivName).style.display="none";
	}
}

function ChangeImg(ImageName,ImageFile){
	document.getElementsByName(ImageName)[0].src = ImageFile;
}

function ChangeImgView(ImageName, TotImg){
	var i = document.getElementsByName('ImgCounter')[0].value;

	if (i > TotImg){
		i = 1;
	}

	var img = document.getElementsByName('VImg'+i)[0].value;
	ChangeImg(ImageName,img);

	var next = parseInt(i) + 1;

	if (next > TotImg){
		next = 1;
	}

	document.getElementsByName('ImgCounter')[0].value = next;
}