function init() {
	/* Vorbelegung Suchfeld */
	if (document.getElementById('tx-macinasearchbox-pi1-search_input'))
		document.getElementById('tx-macinasearchbox-pi1-search_input').value = 'Suche';
}

function clearSearchfield() {
	if (document.getElementById('tx-macinasearchbox-pi1-search_input').value == 'Suche') {
		document.getElementById('tx-macinasearchbox-pi1-search_input').value = '';
		document.getElementById('tx-macinasearchbox-pi1-search_input').style.color = '#000';
	}
}


// Blurring links:
function blurLink(theObject)	{	//
	if (msie4)	{theObject.blur();}
}


// decrypt helper function
function decryptCharcode(n,start,end,offset)	{
	n = n + offset;
	if (offset > 0 && n > end)	{
		n = start + (n - end - 1);
	} else if (offset < 0 && n < start)	{
		n = end - (start - n - 1);
	}
	return String.fromCharCode(n);
}


// decrypt string
function decryptString(enc,offset)	{
	var dec = "";
	var len = enc.length;
	for(var i=0; i < len; i++)	{
		var n = enc.charCodeAt(i);
		if (n >= 0x2B && n <= 0x3A)	{
			dec += decryptCharcode(n,0x2B,0x3A,offset);	// 0-9 . , - + / :
		} else if (n >= 0x40 && n <= 0x5A)	{
			dec += decryptCharcode(n,0x40,0x5A,offset);	// A-Z @
		} else if (n >= 0x61 && n <= 0x7A)	{
			dec += decryptCharcode(n,0x61,0x7A,offset);	// a-z
		} else {
			dec += enc.charAt(i);
		}
	}
	return dec;
}


// decrypt spam-protected emails
function linkTo_UnCryptMailto(s)	{
	location.href = decryptString(s,-1);
}


function change_img(id, image) {
	if (document.getElementById(id)) {
		document.getElementById(id).src = image;
	}
}