// JavaScript Document

minimize = new Image();
minimize.src = "http://www.vnkhe.de/bilder/minimize.jpg";    

minimizeH = new Image();
minimizeH.src = "http://www.vnkhe.de/bilder/minimizeH.jpg"; 

maximize = new Image();
maximize.src = "http://www.vnkhe.de/bilder/maximize.jpg";  

maximizeH = new Image();
maximizeH.src = "http://www.vnkhe.de/bilder/maximizeH.jpg";  


	function minimize_modul(contentDiv, option, minimizeButton) {
		
		var displayMode = document.getElementById(contentDiv).style.display;
		
		if(document.getElementById(contentDiv).style.display == "block") {
			document.getElementById(contentDiv).style.display = "none"; 
			imgSwap( option , minimizeButton);
		}
		else {
			document.getElementById(contentDiv).style.display = "block";
			imgSwap( option , minimizeButton ); 
		}
	}
	
	function imgSwap( option, minimizeButton ) {
		
		if(option == "mouseover") {
			if( document.getElementById(minimizeButton).src == minimize.src )
				document.getElementById(minimizeButton).src = minimizeH.src;
			
			if( document.getElementById(minimizeButton).src == maximize.src)
				document.getElementById(minimizeButton).src = maximizeH.src;	
		}
		if(option == "mouseout") {
			if( document.getElementById(minimizeButton).src == maximizeH.src)
				document.getElementById(minimizeButton).src = maximize.src;	

			if( document.getElementById(minimizeButton).src == minimizeH.src)
				document.getElementById(minimizeButton).src = minimize.src;	
		}
		if(option == "click") {
			if( document.getElementById(minimizeButton).src == maximizeH.src)
				document.getElementById(minimizeButton).src = minimizeH.src;	

			else
				document.getElementById(minimizeButton).src = maximizeH.src;	
		}
		if(option == "init") {
			if( document.getElementById(minimizeButton).src == maximize.src)
				document.getElementById(minimizeButton).src = minimize.src;	

			else
				document.getElementById(minimizeButton).src = maximize.src;	
		}
	}