function drawPoint(pointXValue,pointYValue,pointTitle,pointContent,pointId){
var pointStyle = new MStyle();
pointStyle.lineColor = 0x57B902; //设置气泡(TIP)外部 线的颜色
pointStyle.lineSize = 2; //线的宽度
pointStyle.fillColor = 0xE3FDDD; //气泡填充颜色
pointStyle.fillOpacity = 80; //填充的透明度
pointStyle.labelColor = 0xFF4800; //不打开气泡(TIP) 显示文字的颜色

pointStyle.textContent = pointContent;
pointXY=pointXValue+","+pointYValue;
point = new MPointOverlay(new MLatLng(pointXY), pointTitle, pointStyle, pointId);
mapObj.addOverlay(point, true);
}