/*** util_img.js 110315 ***/

/* swap existent image given by id with passed img */
function swap_img(id, img)
{
	document.getElementById(id).src = img;
}



/* display image in separate browser window */
function display_img(img, img_width, img_height)
{
	// display image
	img_width = img_width + img_width / 15;
	img_height = img_height + img_height / 15;
	win = window.open('','','width=' + img_width + ',height =' + img_height + ',scrollbars=yes');
	win.document.write('<img src="' + img + '"/>');

	// close button
	win.document.write('<p align="center">');
	win.document.write('<input type="button" value="Close" onclick="window.close()"/>');
	win.document.write('</p>');
}



/* swap image - support of preload */
function MM_preloadImages()
{
	var d=document;

	if(d.images) {
		if(!d.MM_p) d.MM_p=new Array();
	    var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
		for(i=0; i<a.length; i++)
			if (a[i].indexOf("#")!=0) {
				d.MM_p[j]=new Image;
				d.MM_p[j++].src=a[i];
			}
	}
}

function MM_swapImage()
{
	var i,j=0,x,a=MM_swapImage.arguments;
	document.MM_sr=new Array;
	for(i=0;i<(a.length-2);i+=3)
		if ((x=MM_findObj(a[i]))!=null) {
			document.MM_sr[j++]=x;
			if(!x.oSrc) x.oSrc=x.src;
			x.src=a[i+2];
		}
}

function MM_swapImgRestore()
{
	var i,x,a=document.MM_sr;
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
		x.src=x.oSrc;
}

function MM_findObj(n, d)
{
	var p,i,x;

	if(!d) d=document;
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document;
		n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all) x=d.all[n];
	for (i=0;!x&&i<d.forms.length;i++)
		x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++)
		x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById)
		x=d.getElementById(n);
	return x;
}