this.createWeld = function (bodyA, bodyB, anchorA, anchorB, noCollide, normalA, normalB) {

		var obj = {
			jointDef: null,
			joint:    null
		};

		obj.jointDef = new b2WeldJointDef();
		obj.jointDef.bodyA = bodyA;
		obj.jointDef.bodyB = bodyB;
		obj.jointDef.localAnchorA = new b2Vec2( anchorA.x, anchorA.y );
		obj.jointDef.localAnchorB = new b2Vec2( anchorB.x, anchorB.y );
		obj.jointDef.collideConnected = !noCollide;

		var dp = (normalA.x*normalB.x + normalA.y*normalB.y);
		var angle = Math.acos(Math.sqrt(normalA.x*normalA.x+normalA.y*normalA.y) * Math.sqrt(normalB.x*normalB.x+normalB.y*normalB.y));

		obj.jointDef.referenceAngle = angle;
		obj.joint = this.world.CreateJoint( obj.jointDef );

		return obj;

	};