function DrawTank(e,f){var a=document.getElementById("cnvsTank");if(a.getContext){var b=a.width-2,d=a.height-2,c=b/2,g=d/e;a=a.getContext("2d");a.beginPath();a.fillStyle=document.all?"#00f":a.createPattern(document.getElementById("imgWater"),"repeat");a.arc(c,c,c,0,360*RAD,true);a.fill();a.fillStyle="#fff";a.fillRect(0,0,b,d-g);a.strokeStyle="#00f";a.stroke();if(f){a.lineWidth=0.6;a.fillStyle="#ff0";a.fillRect(c-4,2,8,d-2);a.strokeStyle="#f00";a.beginPath();for(b=1;b<d-2;b+=6){a.moveTo(c-4,b);a.lineTo(c+
4,b)}a.stroke()}}};