if(document.images) { 
		currentslide=1; 
		maxslides=39; 
		mslide = new Array(maxslides+1); 
		for(var n=1;n<=maxslides;n++) { 
			mslide[n]=new Image(500,245); 
			mslide[n].src='http://www.pons.ch/wp-content/themes/pons2010/images/teas/m0'+n+'.jpg'; 
		} 
	} 
	function mprevSlide() { 
		if(document.images) { 
			currentslide--; 
			if(currentslide<1) currentslide=maxslides; 
			document.images['mslide'].src=mslide[currentslide].src; 
		} 
	} 
	function mnextSlide() { 
		if(document.images) { 
			currentslide++; 
			if(currentslide>maxslides) currentslide=1; 
			document.images['mslide'].src=mslide[currentslide].src; 
		} 
	}