'fvek'
"function vek(a,b,c,d) {\n"
+"JSXBoard_b .create('midpoint', [a,b],{name:c,color:'none',highlight:false,showInfoBox:false,label:{autoPosition: true,color:d}});\n"
+"JSXBoard_b .create('arrow', [a,b], {strokeColor:d, highlight:false, showInfoBox:false, visible:true, size:2});\n"
+"}\n";