function init(){
	/*	Darstellung von PNGs im WinIE */
	if(browser.isIE && browser.isWin && browser.versionMinor >= 5.5 && browser.versionMinor < 7) {
		correctPNG("id", "logo", "div", "relative");
	}
}


function handleFriends(name) {
	$("#"+name).show();
}

function slowHide(name) {
	$("#"+name).hide();
}



function correctPNG(type, name, nodetype, position) {
	if(type == "id") {
		var elName = document.getElementById(name);
		if(elName) {
			replacePNGCode(elName, position);
		}
	} else if(type == "class") {
		var elNames = document.getElementsByTagName(nodetype);
		if(elNames) {
			for(var j=0; j < elNames.length; j++) {
				var elName = elNames[j];
				if(elName.className == name) {
					replacePNGCode(elName, position);
				}
			}
		}
	}
}

function replacePNGCode(elName, position) {
	var imgs = elName.getElementsByTagName("img");
	for(var i=0; i < imgs.length; i++) {
		var img = imgs[i];
		if(img.parentNode.className != "print") {
			var strNewHTML = "<div class=\"logoItem\"";
			strNewHTML += " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;";
			strNewHTML += "position: " + position + "; ";
			strNewHTML += "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader";
			strNewHTML += "(src=\'" + img.src + "\', sizingMethod='scale');\"></div>";
			img.outerHTML = strNewHTML;
			i--;
		}
	}
}


function alleTabsAusblenden() {
    for(var i=1; i < 8+1; i++) {
        document.getElementById('jc_tab_'+i).style.display = 'none';            
    }
}


function alleTabsAusblendenBuecher() {
    for(var i=1; i < 5; i++) {
        document.getElementById('buecher_tabelle_'+i).style.display = 'none';  
        document.getElementById('jc_buchseite_link_'+i).style.fontWeight = 'normal';  
        document.getElementById('jc_buchseite_link_'+i).style.textDecoration = 'underline';
    }
}