/* 
------------------------------------------
	Flipbox written by CrappoMan
	simonpatterson@dsl.pipex.com
------------------------------------------
*/
function flipBox(who) {
	var tmp; 
	if (document.images['b_' + who].src.indexOf('_on') == -1) { 
		tmp = document.images['b_' + who].src.replace('_off', '_on');
		document.getElementById('box_' + who).style.display = 'none';
		document.images['b_' + who].src = tmp;
	} else { 
		tmp = document.images['b_' + who].src.replace('_on', '_off');
		document.getElementById('box_' + who).style.display = 'block';
		document.images['b_' + who].src = tmp;
	} 
}

function addText(elname, wrap1, wrap2) {
	if (document.selection) { // for IE 
		var str = document.selection.createRange().text;
		document.forms['inputform'].elements[elname].focus();
		var sel = document.selection.createRange();
		sel.text = wrap1 + str + wrap2;
		return;
	} else if ((typeof document.forms['inputform'].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var txtarea = document.forms['inputform'].elements[elname];
		var selLength = txtarea.textLength;
		var selStart = txtarea.selectionStart;
		var selEnd = txtarea.selectionEnd;
		var oldScrollTop = txtarea.scrollTop;
		//if (selEnd == 1 || selEnd == 2)
		//selEnd = selLength;
		var s1 = (txtarea.value).substring(0,selStart);
		var s2 = (txtarea.value).substring(selStart, selEnd)
		var s3 = (txtarea.value).substring(selEnd, selLength);
		txtarea.value = s1 + wrap1 + s2 + wrap2 + s3;
		txtarea.selectionStart = s1.length;
		txtarea.selectionEnd = s1.length + s2.length + wrap1.length + wrap2.length;
		txtarea.scrollTop = oldScrollTop;
		txtarea.focus();
		return;
	} else {
		insertText(elname, wrap1 + wrap2);
	}
}

function insertText(elname, what) {
	if (document.forms['inputform'].elements[elname].createTextRange) {
		document.forms['inputform'].elements[elname].focus();
		document.selection.createRange().duplicate().text = what;
	} else if ((typeof document.forms['inputform'].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var tarea = document.forms['inputform'].elements[elname];
		var selEnd = tarea.selectionEnd;
		var txtLen = tarea.value.length;
		var txtbefore = tarea.value.substring(0,selEnd);
		var txtafter =  tarea.value.substring(selEnd, txtLen);
		var oldScrollTop = tarea.scrollTop;
		tarea.value = txtbefore + what + txtafter;
		tarea.selectionStart = txtbefore.length + what.length;
		tarea.selectionEnd = txtbefore.length + what.length;
		tarea.scrollTop = oldScrollTop;
		tarea.focus();
	} else {
		document.forms['inputform'].elements[elname].value += what;
		document.forms['inputform'].elements[elname].focus();
	}
}

function show_hide(msg_id) {
	msg_id.style.display = msg_id.style.display == 'none' ? 'block' : 'none';
}

function newImage(arg) {
        if (document.images) {
                rslt = new Image();
                rslt.src = arg;
                return rslt;
        }
}

function changeImages() {
        if (document.images && (preloadFlag == true)) {
                for (var i=0; i<changeImages.arguments.length; i+=2) {
                        document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
                }
        }
}

var preloadFlag = false;
function preloadImages() {
        if (document.images) {
                homebutton_over = newImage("/themes/UriahHeep/image/homebutton-over.gif");
                aboutusbutton_over = newImage("/themes/UriahHeep/image/aboutusbutton-over.gif");
                forumsbutton_over = newImage("/themes/UriahHeep/image/forumsbutton-over.gif");
                advertisingbutton_over = newImage("/themes/UriahHeep/image/advertisingbutton-over.gif");
                FAQbutton_over = newImage("/themes/UriahHeep/image/FAQbutton-over.gif");
                contactbutton_over = newImage("/themes/UriahHeep/image/contactbutton-over.gif");
                searchbutton_over = newImage("/themes/UriahHeep/image/searchbutton-over.gif");
                searchbutton_down = newImage("/themes/UriahHeep/image/searchbutton-down.gif");
				searchbutton_over024 = newImage("/themes/UriahHeep/image/searchbutton-over-24.gif");
				searchbutton_down025 = newImage("/themes/UriahHeep/image/searchbutton-down-25.gif");
                articles_over = newImage("/themes/UriahHeep/image/articles-over.gif");
                archives_over = newImage("/themes/UriahHeep/image/archives-over.gif");
                events_over = newImage("/themes/UriahHeep/image/events-over.gif");
                vendors_over = newImage("/themes/UriahHeep/image/vendors-over.gif");
                downloads_over = newImage("/themes/UriahHeep/image/downloads-over.gif");
                logout_over = newImage("/themes/UriahHeep/image/logout-over.gif");
				aboutbottom_over = newImage("/themes/UriahHeep/image/aboutbottom-over.gif");
				advertisingbottom_over = newImage("/themes/UriahHeep/image/advertisingbottom-over.gif");
				sitemap_over = newImage("/themes/UriahHeep/image/sitemap-over.gif");
				privacy_over = newImage("/themes/UriahHeep/image/privacy-over.gif");
                preloadFlag = true;
        }
    }

    // -->
function menuOver(e)
{
    e = (e) ? e : window.event;
    var source = (e.target) ? e.target : e.srcElement;
    if (source.id=='articles') {
        document.getElementById('textboxarticles').style.visibility = 'visible';
    }
    else if (source.id=='archives') {
        document.getElementById('textboxarchives').style.visibility = 'visible';
    }
	 else if (source.id=='events') {
        document.getElementById('textboxevents').style.visibility = 'visible';
    }
	 else if (source.id=='vendors') {
        document.getElementById('textboxvendors').style.visibility = 'visible';
    }
	 else if (source.id=='downloads') {
        document.getElementById('textboxdownloads').style.visibility = 'visible';
    }
	 else if (source.id=='login') {
        document.getElementById('textboxlogin').style.visibility = 'visible';
    }
	else if (source.id=='logout') {
        document.getElementById('textboxlogin').style.visibility = 'visible';
    }
}
function menuOut(e)
{
    e = (e) ? e : window.event;
    var source = (e.target) ? e.target : e.srcElement;
    if (source.id=='articles') {
        document.getElementById('textboxarticles').style.visibility = 'hidden';
    }
    else if (source.id=='archives') {
        document.getElementById('textboxarchives').style.visibility = 'hidden';
    }
	 else if (source.id=='events') {
        document.getElementById('textboxevents').style.visibility = 'hidden';
    }
	 else if (source.id=='vendors') {
        document.getElementById('textboxvendors').style.visibility = 'hidden';
    }
	 else if (source.id=='downloads') {
        document.getElementById('textboxdownloads').style.visibility = 'hidden';
    }
	 else if (source.id=='login') {
        document.getElementById('textboxlogin').style.visibility = 'hidden';
	}
	else if (source.id=='logout') {
        document.getElementById('textboxlogin').style.visibility = 'visible';
    }
}