vb64wl5n=xppr('64wl5_0.png');vb64wl5o=xppr('64wl5_1.png');vb64wl5c=xppr('64wl5_2.png');vb24wl5n=xppr('24wl5_0.png');vb24wl5o=xppr('24wl5_1.png');vb24wl5c=xppr('24wl5_2.png');vbt4wl5n=xppr('t4wl5_0.png');vbt4wl5o=xppr('t4wl5_1.png');vbt4wl5c=xppr('t4wl5_2.png');vbp4wl5n=xppr('p4wl5_0.png');vbp4wl5o=xppr('p4wl5_1.png');vbp4wl5c=xppr('p4wl5_2.png');vbo4wl5n=xppr('o4wl5_0.png');vbo4wl5o=xppr('o4wl5_1.png');vbo4wl5c=xppr('o4wl5_2.png');var btIdPref='vb',pressedItem='-1';function xppr(im){var i=new Image();i.src='index-files/bt'+im;return i;};function xpe(id){x=id.substring(0,id.length-1);xe=id.substring(id.length-1,id.length);if(pressedItem==x&&(xe=='n'||xe=='o'))return;if(xe=='c'){if(pressedItem!=-1)document[btIdPref+pressedItem].src=eval(btIdPref+pressedItem+'n'+'.src');pressedItem=x;};if(document[btIdPref+x])document[btIdPref+x].src=eval(btIdPref+id+'.src');};