var newbutton;
 
function buttons()
{
     this[0] = new Image;
	 this[0].src = "nav5.jpg";
     this[1] = new Image;
	 this[1].src = "mo3.jpg";
     this[2] = new Image;
	 this[2].src = "mo3.jpg";
     this[3] = new Image;
	 this[3].src = "mo3.jpg";
     this[4] = new Image;
	 this[4].src = "mo3.jpg";
     this[5] = new Image;
	 this[5].src = "mo3.jpg";
     this[6] = new Image;
	 this[6].src = "mo2.jpg";
     this[7] = new Image;
	 this[7].src = "mo2.jpg";
     this[8] = new Image;
	 this[8].src = "mo2.jpg";
     this[9] = new Image;
	 this[9].src = "mo2.jpg";
     this[10] = new Image;
	 this[10].src = "mo2.jpg";
     

    
     
     this[20] = new Image;
	 this[20].src = "nav4.jpg";
     this[21] = new Image;
	 this[21].src = "nav4.jpg";
     this[22] = new Image;
	 this[22].src = "nav4.jpg";
     this[23] = new Image;
	 this[23].src = "yi.gif";
     this[24] = new Image;
	 this[24].src = "nav4.jpg";
     this[25] = new Image;
	 this[25].src = "lotusm.jpg";
     this[26] = new Image;
	 this[26].src = "nav5.jpg";
     this[27] = new Image;
	 this[27].src = "nav5.jpg";
     this[28] = new Image;
	 this[28].src = "nav5.jpg";
     this[29] = new Image;
	 this[29].src = "em2.jpg";
     
    
     }
button_list = new buttons();

function buttonchange(oldbutton, mode){ //wechselt roll-over-bild
if (mode=="over"){
	switch (oldbutton){
		case "fen1": newbutton=20;
		break;
		case "fen2": newbutton=21;
		break;
		case "fen3": newbutton=22;
		break;
		case "fen4": newbutton=23;
		break;
		case "fen5": newbutton=24;
		break;
		case "fen6": newbutton=25;
		break;
		case "fen7": newbutton=26;
		break;
		case "fen8": newbutton=27;
		break;
		case "fen9": newbutton=28;
		break;
		case "fen10": newbutton=29;
		break;
		default: newbutton=0;
		break;
	}
}else if(mode=="out"){
switch (oldbutton){
		case "fen1": newbutton=1;
		break;
		case "fen2": newbutton=2;
		break;		
		case "fen3": newbutton=3;
		break;	
		case "fen4": newbutton=4;
		break;
		case "fen5": newbutton=5;
		break;		
		case "fen6": newbutton=6;
		break;		
		case "fen7": newbutton=7;
		break;
		case "fen8": newbutton=8;
		break;		
		case "fen9": newbutton=9;
		break;	
		case "fen10": newbutton=10;
		break;
		default: newbutton=0;
		break;
	}
}
eval("document.b"+oldbutton+".src=button_list[newbutton].src");
}

function buttonover(which_item){
	buttonchange(which_item, 'over');
}

function buttonout(which_item){
	buttonchange(which_item, 'out');
}

function buttonclick(which_item){
}