vb6iv37n=xppr('6iv37_0.bmp');vb6iv37o=xppr('6iv37_1.bmp');vb6iv37c=xppr('6iv37_2.bmp');vb2iv37n=xppr('2iv37_0.bmp');vb2iv37o=xppr('2iv37_1.bmp');vb2iv37c=xppr('2iv37_2.bmp');vbtiv37n=xppr('tiv37_0.bmp');vbtiv37o=xppr('tiv37_1.bmp');vbtiv37c=xppr('tiv37_2.bmp');vbpiv37n=xppr('piv37_0.bmp');vbpiv37o=xppr('piv37_1.bmp');vbpiv37c=xppr('piv37_2.bmp');vboiv37n=xppr('oiv37_0.bmp');vboiv37o=xppr('oiv37_1.bmp');vboiv37c=xppr('oiv37_2.bmp');vbwiv37n=xppr('wiv37_0.bmp');vbwiv37o=xppr('wiv37_1.bmp');vbwiv37c=xppr('wiv37_2.bmp');vb4iv37n=xppr('4iv37_0.bmp');vb4iv37o=xppr('4iv37_1.bmp');vb4iv37c=xppr('4iv37_2.bmp');vbziv37n=xppr('ziv37_0.bmp');vbziv37o=xppr('ziv37_1.bmp');vbziv37c=xppr('ziv37_2.bmp');vbuiv37n=xppr('uiv37_0.bmp');vbuiv37o=xppr('uiv37_1.bmp');vbuiv37c=xppr('uiv37_2.bmp');var btIdPref='vb';function xppr(im){var i=new Image();i.src='workshops-files/bt'+im;return i;};function xpe(id){x=id.substring(0,id.length-1);if(document[btIdPref+x])document[btIdPref+x].src=eval(btIdPref+id+'.src');return false;};